Term Definition
ADO Abraded Die Obverse
ADR Abraded Die Reverse
BS Business Strike
CML CONECA Master Listing
CC Condition Census (highest grade known)
CCW Counter-clockwise
CN Cupro-Nickel
CUD Major Die Break
CW Clockwise
DD Doubled Die
DDO Doubled Die Obverse
DDR Doubled Die Reverse
EDS Early Die State
EMDS Early Mid Die State
FS Fivaz-Stanton Listing
LDS Late Die State
LMDS Late Mid Die State
MD Master Die
MDD Machine Damage Doubling
MDO Master Die Obverse
MDR Master Die Reverse
MDS Mid Die State
MMS Mintmark Style
OBV Obverse
ODV Obverse Design Variety
PR Proof
RDV Reverse Design Variety
REV Reverse
ROT Rotated Reverse
RPM Repunched Mintmark
RPMP Repunched Mintmark Punch
SD Series Doubling
SDO Series Doubled Obverse/
SDR Series Doubled Reverse
SMS Special Mint Set
URS Universal Rarity Scale
VEDS Very Early Die State
VLDS Very Late Die State
WH Working Hub
WHO Working Hub Obverse
WHR Working Hub Reverse