Acronym |
Definition |
NCO | NFT Coin Offering |
NCP | Newton Coin Project |
ND | No Date |
NGC | Nice Gold Coin |
NGC | Numismatic Guarantee Corporation |
NLG | Numismatic Literary Guild |
NN | Numismatic News |
NS | Nickel-Silver |
NTC | Numistrust Corporation |
O | New Orleans, Louisiana (mint mark on US coins) |
O# | Overton Number |
OBV | OBVerse |
OMM | Over Mint Mark |
OMM | Over Mintmark |
P | Philadelphia, Pennsylvania (mint mark on United States coins) |
PCCB | Professional Coin Collection Box |
PCCS | Pocket Coin Cylinder Social |
PCGS | Professional Coin Grading Service |
PCGS | Professional Coin Grading Services |
PCI | Photo-Certified Coin Institute |
PCO | Pre coin offering |
PCO | Ptolemaic Coins Online |
PF | Proof |
PL | Proof Like |
PLFB | Poky Little Flab Biscuit. Coined in Super Mario Sunshine by Dan Avidan & Il Piantissimo. |
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