Abbreviations

M / m

M - (1) Medium (size/dimension, see also: Md. and Med.)

M - (2) Mega...

M - (3) Mint [product] (condition, see also; MS)

M - (4) Model/s (Breyer horses, show-ring abbreviations)

m - Milli...

M/... - Missing (condition, followed by details of missing item/s)

MA - Movement Allowance (gaming)

M/A - Mail Away

M&A - Modeles et Allures (French figure maker)

M@A - Men at Arms (of the medieval era or the Osprey books - also; MAA)

MAA - Men at Arms (military book series published by Osprey)

MAAB - Mobile Anti-Assault Battlesuit (Transformers)

MAAC - Model Aircraft Association [of] Canada

MAF - Make a Face (Pez container type)

Mag. - (1) Magazine (of the printed-paper, on-line (e-Mag / i-Mag) or bullet-filled type)

Mag. - (2) Magenta (colour, stamps)

Mag. - (3) Magnet (general, motors) / [Traction] Magnet (slot racing, downforce producers)

mAH - Milliamp Hour (radio-control, battery capacity)

MAIM - Modern Army in Miniatures (German figure maker)

MAM - Modern[-day] Action Man (Hasbro; 1991-present, see also; VAM)

Man. - (1) Manila (colour, stamps)

MAN / MANz. - (2) Mega Armoured Nob / Nobz [Nobs] (Warhammer)

Manurba - Manfred Urban (general toy manufacturer)

MAP - Model [and] Allied Publications (Publisher)

Mar. - Maroon (colour, stamps)

MARB - Mobile Autobot Repair Bay (Transformers)

MARS - Military Armaments Research Syndicate (Transformers)

MAS - Multiple Aspect Signalling (model railways, US)

Matt. - Mattel (general toy manufacturer, licensed characters ,also: 'Matty', verbal)

'Matty' - Mattel (general toy manufacturer, also abbreviated to: Matt., 'Matty' also refers to the on-line store: http://www.mattycollector.com)

MAWB - Mega Armoured Warboss (Warhammer)

MAYB / Mayb. - Maybe (Internet, forums, online)

MAZAC / Mazac - Morris Ashby Zinc-Aluminium-Copper [alloy] (UK licensed ZAMAK product, now called Zamac universally, die-casting alloy material)

MB - (1) Mauro Benini (German-Italian maker of 30mm flats)

MB - (2) Matchbox (die-cast, figure and kit manufacturer, see also; M'Box)

MB - (3) Michael Bay (Transformers personality)

MB - (4) Milton Bradley (toy and board game manufacturer)

MB - (5) Minimum Bid (auctions)

MB - (6) Mint [product], Bagged / Blistered / Boxed (condition)

MB Games - Milton Bradley Games (board game manufacturer)

M'Box. - Matchbox (die-cast, figure and kit manufacturer, see; MB)

MBR - Master Bedroom (dolls houses)

MBSO - Motorbreak Second Open (model railways, US, in UK; Break-second)

MBT - Main Battle Tank (war gaming - from the military)

MBX - Matchbox(die-cast, figure and kit manufacturer)

MC - (1) Maltese Cross (philately, early British cancellation)

MC - (2) Marshall Cavendish Ltd. (Publisher)

MC - (3) Master Card (payment option)

MC - (4) Max Carl (old German toy maker)

MC - (5) Mini-Con./Convention (small show)

MC - (6) Mini Constructicon (Transformers)

MC - (7) Mint [product] Complete (but out of original packaging, condition)

MC - (8) Mint [product] Carded (condition)

MC - (9) Monstrous Creature (gaming)

M&C - Mint and Complete (condition, double 'mint'! There are some very stupid people in this world)

MCD - McDonalds (premiums)

mCCPM - Mechanical Cyclic / Collective Pitch Mixing (radio-control, incorrect, commonly; CCPM, occasionally; eCCPM)

MCM - Mid-Century Modern (collectable design style)

MCO - Modern Chess Openings (publication)

MCU - Might Clean Up (Internet, forums, online)

MCW - Master-Crafted Weapon (Warhammer)

MD - (1) Micron Densetsu (Transformers character)

MD - (2) Minor Defects (condition)

Md. - Medium (size/dimension, see also: M and Med)

MDF - Medium Density Fibre-board

ME - (1) Mail Early (stamps, US Postal Service)

ME - (2) Masterpiece (GI Joe toy series)

ME - (3) Masterpiece Edition

MED / Med. - Medium (size/dimension, see also: M and Md.)

Meg / 'Megs' - Megatron (Transformers character)

MEG - Morrison Entertainment Group (promotional figure company)

MEGA - Millennium Entertainment Group - Africa (organisation)

Melta. - Meltagun /  Multi-Melta (Warhammer)

MEQ / MEq. - Marine Equivalent [armies] (Warhammer)

MET / Met. - Metallic (Automotive)

MET / Met. - Metropolitan [Museum] (USA)

META - Model Engineering Trade Association (UK body)

MF - Masterforce (Transformers)

M/F - Mare and Foal (model horse collectors)

MFG / Mfg. - Manufacturer / Manufacturing

MFT - Missouri Fox Trotter (model horse collectors)

MG - Meltagun (Warhammer)

MGM - Metro-Goldwyn-Mayer [Studios] (licence issuer)

MGR - Merry-Go-Round (My Little Pony model type, railway goods-train type serving power stations from coal mines)

MH - Mint Hinged (condition, specifically: postage stamps)

MHL - Model Horse Love (model horse collectors)

MH$P - Model Horse Sales Pages (model animal collectors)

MHR - Model Horse Resource (model animal collectors)

MHS - Model Horse Show (toy animal collecting)

MHz - Megahertz (radio-control)

Mi. - Michel [stamp catalogue] (well known German philatelic source, also 'Michel')

MIB - (1) Men in Black (movie franchise series, licensed characters)

MIB - (2) Mint [product] in [original] Bag / Blister / Box (condition)

MIBP - Mint  [product] in Bubble Pack (condition)

MIC - Mint [product] in Carton / Cellophane (condition)

MIJ - Made in Japan (origin, see also: MIOJ)

MIL - Mother-in-Law (Internet, forums, online)

MilSim. - Military Simulation [game] (video gaming)

MIM - Make it Mine (Internet, forums, online)

MIMB - Mint [product] in Mint Bag / Blister / Box (condition)

MIMP - Mint [product] in Mint Pack / Package / Packaging (condition)

Mink. - Minkus [stamp catalogue] (well known philatelic source, defunct, also; Mk.)

MIOJ - Made in Occupied Japan (origin, see also: MIJ)

MIOP - Mint [product] in Open Package (condition)

MIP - Mint [product] in Pack / Package / Packaging (condition)

MIS - Mint [product] in Shrink-wrap (condition)   

MISB - Mint [product] in Sealed [original] Bag / Blister / Box (condition)

MISMB - Mint [product] in Sealed Mint [original] Bag / Blister / Box (condition)

MISMP - Mint [product] in Sealed Mint Pack / Package / Packaging (condition)

MISP - Mint [product] in Sealed Pack / Package / Packaging (condition)

MIT - Massachusetts Institute [of] Technology (researching)

MIU - Made In USA

MJ - Mara Jade (Star Wars character)

Mk. - Minkus [stamp catalogue] (well known philatelic source, defunct, also; Mink.)

M&K - Muller & Kadeder (German toy maker)

ML - (1) Marvel [comics] Legends (licensed characters)

ML - (2) Micro Lights (Micro Machines line)

ML - (3) Micron Legend (Transformers generation)

ML - (4) Missile Launcher (gaming)

ML - (5) Music Label

M&L - Martinan & Larnaude (short-lived French tin-plate manufacturer)

MLAS - My lips are Sealed (Internet, forums, online)

MLH - Mint, Lightly Hinged (philately, condition)

Mlky. - Milky (condition of colour, stamps)

MLP - My Little Pony (toy line)

MLS - Multiple Listing Service (online auctions)

MLW - Moulded [eye-] Lash Walker (doll)

MM - (1) Matt Mason (licensed character, also; MMM)

MM - (2) Magic Message (My Little Pony with heat-sensitive hidden symbols)

MM - (3) Media Mail (specific shipping option offered by USPS)

MM - (4) Micro Machines (toy line)

MM - (5) Micro Mini

MM - (6) Mighty Muggs (Transformers, licensed characters, see also: 'Muggs')

MM - (7) Military Modelling (magazine)

MM - (8) Minimates (Marvel, licensed characters)

MM - (9) Multi-Melta (Warhammer)

mm. - Millimeter (a unit of measure: 1/1000 of a meter)

MMB - Mint [product in] Mint Box (condition)

MMM - (1) Major Matt Mason (licensed character, also; MM)

MMM - (2) Merry Melody / Music Maker (Pez container types)

MMM - (3) Militant Monoform Movement (Transformers; 'Triple-M')

MMORPG - Massive Multiplayer Online Role Playing Game (Internet, also; MORPG, ORPG and RPG)

MMP - Multiman Publishing [Company] (games manufacturer, publishes ASL and OCS)

MMPR - Mighty Morphin Power Rangers (licensed characters, see also; PR)

MMR - Master Model Railroader (model railways, US NMRA certification)

MNB - Mint [product], No Bag / Blister / Box (condition)

MNH - Mint, Never/Not Hinged (condition, philately, postage stamps)

MNT / Mnt. - Mint (condition)

MO - (1) Mail Order

MO / M/O - (2) Money Order (payment option)

MOC - (1) Mint [product] on Card (condition)

MOC - (2) My Own Creation (construction toys)

MOCC - Mint [product] on Cut Card (has been opened, condition)

MOC Fodder. - My Own Creation Fodder (construction toys; set bought for its pieces, not the subject)

Mod. - (1) Model

Mod. - (2) Moderator (Forums, online notice boards)

Mod. - (3) Modified / Modification (see also; CM, Cust., Modded, Mods., Rep., RR and RRH)

Modded - Modified (see also; CM, Cust., Mod., Mods., Rep., RR and RRH)

Mods. - (1) Models

Mods. - (2) Moderators (Forums, online notice boards)

Mods. - (3) Modifications (see also; CM, Cust., Mod., Modded, Rep., RR and RRH)

Mod-Roc. - Modelling Rock (plaster-impregnated gauze modelling material)

MoK - Mark of Khorne (Warhammer)

MOMC - Mint [product] on Mint Card (condition)

MoN - Mark of Nurgle (Warhammer)

Mon. - Monogram (model kit manufacturer, see also: Mono. and RM)

Monk - Haemonculus (Warhammer)

MONMC - Mint [product] on Near-mint Card (condition)

Mono. - Monogram (model kit manufacturer, see also: Mon. and RM)

MoO - Master of Ordnance (Warhammer)

MOP - Mother-of-Pearl (Jewellery)

MOQ - Minimum Order Quantity

MOQ's - Minimum Order Quantities

MORPG - Multiplayer Online Role Playing Game (Internet, also; MMORPG, ORPG and RPG)

MoS - Mark of Slaanesh (Warhammer)

MOSC - Mint [product] on Sealed Card (condition)

MOSMC - Mint [product] on Sealed Mint Card (condition)

MOTD - MOC (q.v.) of the Day (construction toys)

MotF - Master of the Forge (Warhammer)

MoT - Mark of Tzeentch (Warhammer)

MOTU - (1) Mark Of The Unicorn (audio equipment manufacturer)

MOTU - (2) Masters of the Universe (licensed characters; He-Man)

MOTUC - Masters of the Universe Classics (licensed characters; He-Man)

MOW - (1) Maintenance of Way (model railways, US form of track gangs or maintenance engineers)

MOW - (2) Man O' War (Breyer horses, naval gaming; Man-of-War)

MOY / MoY - Models of Yesteryear (Matchbox line of die-cast toys)

MP - (1) Masterpiece (Transformers character)

MP - (2) Military Police (war gaming - from the military)

MP - (3) Military Post (postage stamps, US equivalent of BFPO)

MP - (4) Mint Pack / Package / Packaging (condition)

MP - (5) Missile Pod (sci-fi and fantasy gaming)

MP - (6) Movement Points (measure of MA use, gaming)

M&P - Musket and Pike (board game from GMT)

MPC - (1) Marx Plastics Corporation (incorrect use promulgated by JG Garratt; see; MX)

MPC - (2) Multiple Plastics / Products Corporation (US importer and manufacturer, later known as Multiple Toymakers but kept the MPC logotype/brand-mark)

MPM - Mile/s per Hour

MPO - Mobile Post Office (US postal service; type of post office, see also; GPO, HPO)

MPP - (1) Mailer's Postmark Permit (US, philately)

MPP - (2) Mailer's Precancel Postmark  (US, philately)

MPreg. - Male Pregnancy (fan fiction type/genre)

MPRS - My Poupette Recommended Seller (dolls, on-line seller group)

MR - (1) Magic Resistance (Warhammer)

MR - (2) Model-sized Ribbon/s (Breyer horses, show-ring abbreviations)

MRC - Model Rectifier Corporation (US hobby co., imported Academy and Italeri)

MRIA - Model Railroad Industry Association

MRRC - Model Road Racing Cars (manufacturer)

MRSP - Manufacturer's Recommended Selling Price (see also; MSRP)

MS / Ms. / ms. - (1) Manuscript (e.g., a letter in/from an envelope or a 'pen' cancel; usually handwritten)

MS - (2) Microsoft (computing)

MS - (3) Mint State (condition, specifically; coins)

M/S - Miniature Sheet (philately, a stamp or set of stamps which is/are part of a single design continued onto the surrounding sheet - and/or each other)

MSiA - Mobile Suit in Action (toy line)

MSRP - Manufacturer's Suggested Retail Price (see also; MRSP)

MST - Mystery Science Theatre (TV series, also; MST3K)

MST'ing - Mystery Science Theatre'ing (online commentating on fan fiction)

MST3K - Mystery Science Theatre 3000 (TV series, also; MST)

MSU - Many / Multiple Small Units (war gaming, Warhammer)

MSV - Mobile Support Vehicle (GI Joe)

MT - (1) Modern Toys (trade-mark of Masudaya, Japanese toy company)

MT - (2) Mint Tag (condition, means; 'mint with original tag', see; MWMT)

MT - (3) Multi-Tracker (Warhammer Tau)

M/T - Mane [and] Tail (Breyer horses)

MTC - Multi-Toys Corporation (Chinese based rack toy producer)

MTFBWY - May the Force Be With You (Star Wars)

MTG - Magic The Gathering (card game)

MTH - Mikes Train House (model train manufacturer)

MTI - Market Tracking International (organisation, books)

MTMTE - More than Meets the Eye (Transformers TV series, licensed characters)

MU - (1) Marvel [comics] Universe (licensed characters)

MU - (2) Multiple Units (model railways)

MU/FF - Marvel Universe - Fury Files (action figure lines with little envelopes containing their 'files')

'Muggs' - [Mighty] Muggs (Transformers, licensed characters, see also: MM)

Multi. - Multicolored (of stamps or toys)

MUSCLE - Millions [of] Unusual Small Creatures Lurking Everywhere (Bandai/Mattel toy lines, see also; CUTIE)

MURP - Mini[-ature] Ugly Rock Piece (Lego element, see also; BURP and LURP)

Mv. - Mauve (colour, stamps)

Mvmt. - Movement (gaming)

Mvmt. Cds. - Movement Cards (gaming)

MVP - Most Valuable Person / Player (Forums, online notice boards / sports / gaming)

MW - Machine Wars (Transformers)

MW - Mini Whinnie (horse toy line)

MWAT - Mint [product] with All Tags (condition)

MWB - Mint [product] with Bag / Blister / Box (condition)

MWBMT - Mint [product] with Both Mint Tags (condition)

MWBT - Mint [product] with Both Tags (condition)

MWD - Men with Dolls (action-figure forum)

MWC - Mint [product] with Card / Carton (condition)

MWMT - Mint [product] with Mint Tags (condition, see also; MT)

MWP - Mint [product] with Package (condition)

MWT - Mint [product] With Tags (condition, soft toys)

MX / Mx - Marx (US general toy company and importer)

MXC - Model Exchange

MY - Mounted Yeoman (Warhammer)

MYO / M.Y.O. - (1) Make You Own (casting, crafting, wax kits &etc.)

MYO / M.Y.O. - (2) Million Years Old (fossils)

Myr. - Myrtle (colour, stamps)