Acronyms used in Coin Collecting

This list is intended to cover the acronyms which are commonly used in the internet newsgroup rec.collecting.coins . For completeness, it includes mintmarks, internet phrases, and a few abbreviations (like UNC). All references are to United States coins, unless otherwise noted. For more detailed information on the terms used here, see the Numismatic Information Directory at Chuck D'Ambra Coins.
ABPN -- . An internet newsgroup where (large) coin pictures can be posted.
ACG -- ACcu-Grade. Grading service. Controversial at present, because the assigned grades seem to be inflated relative to standard services like PCGS and NGC.
aF (VG10) -- about Fine. Grade.
AFAIK -- As Far As I Know. Internet phrase.
AG (AG3) -- About Good. Grade.
ANA -- American Numismatic Association. Collector and dealer organization.
ANACS -- (originally) American Numismatic Association Certification Service. Grading service. It has since been sold to a company independent of the ANA.
ASE (SAE) -- American Silver Eagle. A one ounce silver bullion coin, issued 1986-date.
AU (AU50, AU53, AU55, AU58) -- About Uncirculated. Grade.
aVF (F15?) -- about Very Fine. Grade.
aXF (VF35?) -- about Extremely Fine. Grade.
B# (B1-B10?) -- Browning number (1925). Die variety - Bust Quarters, 1796-1838.
B# (B1-B23?) -- Bolender number (1950, 1998). Die variety - Silver Dollars, 1794-1803.
BB# (BB1-BBn?) -- Bowers and Borckardt number (1993). Die variety - Silver Dollars, 1794-1804 and later.
BG# (BG101-BG1313) -- Breen and Gillio number (1983). Die variety - California private gold, 1852-1882.
BIN -- Buy It Now. eBay ( phrase.
BN -- Brown. Color grade for uncirculated copper coins (BN, RB, or RD).
BTW -- By The Way. Internet phrase.
BU (MS60?) -- Brilliant Uncirculated. Vague Grade.
BV -- Bullion Value. The value of the coin is closely related to its metallic content (usually silver or gold).
C -- Charlotte (North Carolina). Mintmark, 1838-61, gold coins only.
C# (C1-C23?) -- Cohen number (1982). Die variety - Half Cents, 1793-1857.
CC -- Carson City (Nevada). Mintmark, 1870-93, gold and silver coins only.
CMM# (CMM1-CMM13?) -- Cohen, Munson, Munde number (1971). Die variety - Half Cents, 1793-1857.
CSDG -- California Small Denomination Gold.
CW -- Coin World. Publication.
D -- Dahlonega (Georgia). Mintmark, 1838-61, gold coins only.
D -- Denver (Colorado). Mintmark, 1906-.
DC (DCAM) -- Deep Cameo. High grade proof.
DDO -- Doubled Die Obverse. Type of die variety.
DDR -- Doubled Die Reverse. Type of die variety.
DMPL -- Deep Mirror Proof Like. Business strike, with deep mirrored planchet.
EAC -- Early American Coppers, Inc. Collector and dealer organization.
EF (EF40, EF45) -- Extremely Fine. Grade.
F (F12, F15) -- Fine. Grade.
FA -- For Auction. Internet phrase.
FAQ -- Frequently Asked Question. List of such questions and answers. Internet phrase.
FE -- Flying Eagle (cent). US cent coin, 1856-1858.
Fr (FR2, Fair2) -- Fair. Grade.
FRNS -- Fellow of Royal Numismatic Society. Collector and dealer organization.
FS# (FS1-FS?) -- Fivaz and Stanton number (19xx). Die variety - many series.
FS -- For Sale. Internet phrase.
FVF -- Final Value Fee. eBay ( phrase.
FWIW -- For What It's Worth. Internet phrase.
FYI -- For Your Information. Internet phrase.
G (G4, G6) -- Good. Grade.
GD -- Golden Dollar. US Sacagawea dollar coin, 2000-date.
GMM -- Gallery Mint Museum. A current producer of replicas of early US coins.
HTH -- Hope This Helps. Internet phrase.
ICGS -- Independent Coin Grading Service. Grading service.
IHC -- Indian Head Cent. US cent coin, 1858-1909. (1858 is a pattern)
IIRC -- If I Recall Correctly. Internet phrase.
IMHO -- In My Humble Opinion. Internet phrase.
IMO -- In My Opinion. Internet phrase.
ISO -- In Search Of. Internet phrase.
J# (J1-J1778?) -- Judd number (1959-77). Pattern or experimental coin.
JR# (JR1-JR13?) -- John Reich number (Davis, et al, 1984). Die variety - Bust Dimes, 1794-1837.
KM# (KM1-KM?) -- Krause and Mishler number. From Standard Catalog of World Coins. Type of world coin. Includes California, Mormon, Colorado, Hawaii.
LM# (LM1-LM18) -- Logan-McCloskey number (1998). Die variety - Bust Half Dimes, 1792-1837.
LOL -- Little Old Lady. (Possibly) naive customer/seller. Objectionable term; included here because of the other LOL.
LOL -- Laughing Out Loud. Internet phrase.
MS (MS60-MS70) -- Mint State. (Uncirculated, business strike). Grade.
N# (N1-N17?) -- Newcomb number (1944). Die variety - Large Cents, 1816-1868.
N# (N1-N105?) -- Newman number (1952). Die variety - Fugio Cents, 1787.
NARU -- Not A Registered User (implies account terminated due to violation of rules). eBay ( phrase.
NC -- Not Collectable. A unique or nearly unique coin. Usually one of Sheldon's die varieties of Large Cents. At the time of Sheldon's "Penny Whimsey" (1958), for a coin to be NC, there had to be less than 3 specimens known.
NGC -- Numismatic Guarantee Corporation. Grading service.
NLG -- Numismatic Literary Guild. A prestigious organization of writers of numismatically related articles, books, etc.
NN -- Numismatic News. Publication.
NPB -- Non Paying Bidder. Observed when the high bidder does not follow through with a payment. Auction / eBay ( phrase.
NTC -- Numistrust Corporation. Grading service. (relatively new, reputation unknown)
O -- New Orleans (Louisiana). Mintmark, 1838-1861,1879-1909.
O# (O101-O128?) -- Overton number (1970). Die variety - Bust Half Dollars, 1794-1836.
OMM -- Over MintMark. Two different mintmarks involved. (versus RPM, which is the same mintmark punched more than once). Type of die variety.
OT -- Off Topic. Internet phrase.
OTOH -- On The Other Hand. Internet phrase.
P -- Philadelphia (Pennsylvania). Mintmark, 1942-45 (5c only), 1979- (all but 1c). Sometimes denotes absence of mintmark.
PCGS -- Professional Coin Grading Service. Grading service.
PCI -- Photo-certified Coin Institute. Grading service.
PF (PF60-PF70) -- Proof. Type of coin production and/or Grade. Contrasts with business strike.
PL -- Proof Like. Business strike, with mirrored planchet.
PNG -- Professional Numismatists Guild. Dealer organization.
PQ -- Premium Quality. Sometimes part of the sealed slab grade, such as a MS64 PQ (not quite good enough for MS65). Often it is just a hype adjective like "Choice" or "Select".
Pr (PR1, Poor1) -- Poor. Grade.
PR (PR60-PR70) -- Proof. Type of coin production and/or Grade. Contrasts with business strike.
PVC -- Poly Vinyl Chloride. An ingredient of soft plastic "flip" coin holders which will damage coins over time.
R# (R1-R8) -- Rarity scale. R1 most common; R8 least common. The often used Sheldon scale is:
  • R8 = 1-3 known (estimated), "Unique or Nearly Unique"
  • R7 = 4-12 known, "Extremely Rare"
  • R6 = 13-30 known, "Very Rare"
  • R5 = 31-75 known, "Rare"
  • R4 = 76-200 known, "Very Scarce"
  • R3 = 201-500 known, "Scarce"
  • R2 = 501-1250 known, "Uncommon"
  • R1 = over 1251 known, "Common"
RB -- Red-Brown. Color grade for uncirculated copper coins (BN, RB, or RD).
RD -- Red. Color grade for uncirculated copper coins (BN, RB, or RD).
RIC -- Roman Imperial Coinage.
RNS -- Royal Numismatic Society. Collector and dealer organization.
ROFL -- Rolling On the Floor Laughing. Internet phrase.
RPC -- Roman Provincial Coinage.
RPD -- RePunched Date. Type of die variety.
RPM -- RePunched Mintmark. Type of die variety.
RSC -- Roman Silver Coinage.
S -- San Francisco (California). Mintmark, 1854-1955, 1968-.
S# (S1-S295?) -- Sheldon number (1949). Die variety - Large Cents, 1793-1814.
S# (S1-S9?) -- Snow number (1992). Die variety - Flying Eagle and Indian Head Cents, 1856-1909.
SAE (ASE) -- Silver American Eagle. A one ounce silver bullion coin, issued 1986-date.
SBA -- Susan B. Anthony (dollar). US coin, 1979-1981,1999.
SEGS -- Sovereign Entities Grading Service. Grading service.
SLQ -- Standing Liberty Quarter. US coin, 1916-1930.
SP -- Specimen. Better than business strike, but not quite a proof.
TIA -- Thanks In Advance. Internet phrase.
TTFN -- Ta Ta For Now. Internet phrase.
UC (UCAM) -- Ultra Cameo. High grade proof.
UNC (Unc., MS60?) -- Uncirculated. Grade.
V# (V1-V10?) -- Valentine number (1975). Die variety - Half Dimes, 1794-1873.
VAM# (VAM1-VAM230?) -- Van Allen and Mallis number (1976). Die variety - Morgan Dollars, 1878-1921.
VG (VG8, VG10) -- Very Good. Grade.
VF (VF20, VF30, perhaps VF35) -- Very Fine. Grade.
W -- West Point (New York). Mintmark, 1984-.
WL -- Walking Liberty (half dollar). US coin, 1916-1947.
WTB -- Wanted To Buy. Internet phrase.
XF (XF40, XF45) -- eXtremely Fine. Grade.
YMMV -- Your Mileage May Vary. Internet phrase.
More general acronyms can be found at:

Please send additions, corrections, and comments to Clint Cummins .
rev. 7/15/2003