Coins Abbreviations and Acronyms

1. NN
   Numismatic News
2. NS
   Nickel-Silver
3. NTC
   Numistrust Corporation
4. OMM
   Over Mintmark
5. PCGS
   Professional Coin Grading Service
6. PCI
   Photo-Certified Coin Institute
7. PF
   Proof
8. PL
   Proof-Like
9. PM
   Precious Metal
10. PNG
    Professional Numismatists Guild
11. PP
    Polierte Platte (German: Proof coin)
12. PQ
    Premium Quality
13. PR
    Proof
14. PR
    Prachtig (Netherlands coin grade equivalent to Extremely Fine)
15. PR
    Poor Response
16. QSB
    Quality Silver Bullion
17. RB
    Red-Brown
18. RCC
    Rec.Collecting.Coins
19. RD
    Retired
20. RD
    Red

Last updated: May 23, 2020 — Total entries: 229