DATE
MINT MARKS
MINTMARKS
Initial(s) indicating location of branch mint. Various mintmarks follow:
C
Charlotte, North Carolina. Gold coins struck between 1838 – 1861.
CC
Carson City, Nevada.1870 – 1893.
D
Dahlonega, Georgia, Gold coins struck between 1838 – 1861.
D
Denver, Colorado. 1906 – present.
D/D
Repunched mintmark. Dahlonega over Dahlonega.
D/S
Mintmark error. Denver over San Francisco.
O
New Orleans, Louisiana. 1838 – 1909.
O/CC
Mintmark error. New Orleans over Carson City.
O/S
Mintmark error. New Orleans over San Francisco.
P
Philadelphia, Pennsylvania. War nickels, 1942 – 1945; dollars, 1979 – present;
all other denominations,1980 – present.
S
San Francisco, California. 1854 – present.
S/D
Mintmark error. San Francisco over Denver.
W
West Point. 1984 – present.
CATEGORY
 
Colonial & Post-Colonial Coinage
French Billon & Colonies
Half Cents
Large Cents
Flying Eagle Cents
Indian Cents
Proof Indian Cents
Lincoln Cents (1909-31)
Lincoln Cents (1932-58)
Lincoln Cents (1959- )
Lincoln Cents (Proof)
2-Cent Pieces
2-Cent Pieces (Proof)
3-Cent Silver
3-Cent Silver (Proof)
3-Cent Nickels
3-Cent Nickels (Proof)
Shield Nickels
Shield Nickels (Proof)
V-Nickels
V-Nickels (Proof)
Buffalo Nickels
Buffalo Nickels (Proof)
Jefferson Nickels (1938-64)
Jefferson Nickels (1965- )
Jefferson Nickels (Proof)
Early Half Dimes (1792-1836)
Seated Half Dimes
Seated Half Dimes (Proof)
Early Dimes (1796-1835)
Liberty Seated Dimes
Seated Dimes (Proof)
Barber Dimes
Barber Dimes (Proof)
Mercury Dimes
Mercury Dimes (Proof)
Roosevelt Dimes (1946-64)
Roosevelt Dimes (1965- )
Roosevelt Dimes (Proof)
20-Cent Pieces
20-Cent Pieces (Proof)
Bust Quarters (1796-1838)
Liberty Seated Quarters
Seated Quarters (Proof)
Barber Quarters
Barber Quarters (Proof)
Standing Liberty Quarters
Washington Quarters (1932-64)
Washington Quarters (1965-98)
Statehood Quarters (1999- )
Washington Quarters (Proof: 1936-98)
Statehood Quarters (Proof: 1999- )
Multi-Coin Holder NGC
Waffle Cancelled Quarters
Bust Half Dollars
Liberty Seated Half Dollars
Seated Half Dollars (Proof)
Barber Halves
Barber Halves (Proof)
Walking Liberty Halves (1916-1940)
Walking Liberty Halves (1941-1947)
Walkers (Proof)
Franklin Halves
Franklin Halves (Proof)
Kennedy Half Dollars
Kennedy Halves (Proof)
Bust Dollars
Gobrecht Dollars
Seated Dollars
Seated Dollars (Proof)
Trade Dollars
Trade Dollars (Proof)
Morgan Dollars (1878-1881)
Morgan Dollars (1882-1891)
Morgan Dollars (1892-1921)
Morgan Dollars (DMPL)
Morgan Dollars (Proof)
GSA-Hoard/NGC Morgan Dollars
Peace Dollars
Eisenhower Dollars
Eisenhower Dollars (Proof)
Susan B & Sacagawea Dollars
Presidential Dollars
$1 Gold
$1 Gold (Proof)
$2.50 Early Gold (1796-1839)
$2.50 Liberty Gold
$2.50 Liberty Gold (Proof)
$2.50 Indian Gold
$3 Princess Gold
$4 Stella Gold
$5 Early Gold (1795-1838)
$5 Liberty Gold
$5 Indian Gold
$10 Early Gold (1795-1804)
$10 Liberty Gold
$10 Indian Gold
$20 Liberty Gold
$20 Saint Gaudens Gold
Gold Commems
Silver Commems (1892-1954)
50c Modern Commems
$1 Modern Commems - Silver
$5 Modern Commems - Gold
$10 Modern Commems - Gold
$50 Gold Buffalos
American Eagle Sets
$1 American Eagles - Silver
$5 American Eagles - Gold
$10 American Eagles - Gold
$25 American Eagles - Gold
$50 American Eagles - Gold
$10 Statue Liberty - Platinum
$25 Statue Liberty - Platinum
$50 Statue Liberty - Platinum
$100 Statue Liberty - Platinum
 
VARIETY
BOOBY
Variety of Liberty head on 1839 large cent.
CAL
Abbreviation for "California" punched on the reverse of some 1848 $21/ 2.
CL
Closed.
CLAD
1965 to date. A coin comprised of layered metals. Silver clad or copper – nickel clad.
MS/PR-70
As struck, with full strike
CLASSIC
Variety of Liberty head. Description of head.
COP
Copper.
CURL BASE 2
Curled tail on "2."
DBLD
Doubled.
DBLE
Double.
DB Mont
Doubled Monticello. Doubled die reverse on 1939 nickel.
DOUBLED DIE
Die error. Coin made from improperly prepared die. Results in varying degrees of doubled image.
DOUBLED LIB
Doubled Liberty. 1873 cent.
DT
Die trial.
GILT
Gold plated.
GR
Gram.
GRIP EDGE
Gripped edge. Incuse segments on edge of 1797 half cent and large cent.
HIGH RELIEF
Struck repeatedly from dies which are specially made to allow for extreme depth
and relief of the devices relative to the fields.
HUGE O
Very large mintmark.
III EDGE
1809 experimental edge incorporating vertical lines added between words.
INV DATE
Date over inverted date.
J
Judd numbers. Numerical system for pattern coinage cataloged by J. Hewitt Judd, M.D.
KN6
Knob-tipped numeral six.
L ON RIB
Initial "L" on hair ribbon on Indian cent.
LE
Lettered edge.
LEGEND
"United States of America," inscribed on coin.
LET EDGE
Lettering around the edge of the coin.
LG
Large.
LGDT
Large date.
LGDTLGFRAC
Large date, large fraction on 1803 cent.
LT. MOTTO
Light motto on 1934 quarter.
MATTE PROOF
Proof surface with somewhat granular finish.
MICRO D, O, S,
Very small mintmark.
MOTTO
Inscription reading, "In God We Trust."
NICK
Nickel.
OBVERSE
Front, or "heads", side of coin. 
OP
Open.
ORG
Original. Coin which was [usually] struck during year which appears on it.
OVERDATE
A die error exhibiting two different dates.
OVERSTRIKE
Error in which a set of dies strike a previously struck coin.
P.E.
Plain edge.
PL EDG
Plain edge.
RE
Reeded edge.
REEDED EDGE
Raised parallel lines on the outside edge of the coin.
RES
Restrike.
RESTRIKE
Coin struck after date which appears on coin.
REV
Reverse.
REVERSE
Back side of coin.
ROLLED EDGE 
Referring to 1907 $10 Indian.
ROMAN
A type of finish on a 1908 $20 proof.
SM
Small.
SMDT
Small date.
SMS
Special mint set.
STEMS
Stems on wreath.
STRONG
Coin exhibiting strong detail in a particular area.
TRANS
Transitional pattern without legend. Not made for circulation.
VDB
Initials of Victor D. Brenner, designer of the Lincoln cent.
VINE/BARS
Edge on 1793 large cent.
WEAK
Coin exhibiting weak detail in a particular area.
WIRE EDGE
Sharp, knife-like rim.
WITH POLE
With Pole to cap. on 1796 half cent.
2 X 2
Symbolic of the 22nd state on Alabama commemorative coin.
2 X 4
Symbolic of the 24th state on Missouri commemorative.
6/HORIZONTAL 6
Repunched date where a digit is punched in sideways the first time,
then punched on the die correctly the second time.
7 X 6
Stars on obverse. Seven on left, six on right.
9 X 7 SM LET
Stars on obverse. Nine on left, seven on right. Small letters of legend on reverse.
9 X 4
Stars on obverse. Nine on left, four on right.
13SREV
Thirteen stars on the reverse of 1804 $21/ 2.
14SREV
Fourteen stars on the reverse of 1804 $21/ 2.
XXX EDGE
1809 experimental edge incorporating "X" motif between words. 
DESIGNATION
BN
Brown. Referring to copper coins.
BRILLIANT Mint State
Untoned, uncirculated coin.
DMPL
Deep Mirror Proof Like Morgan dollars.
MS. Mint State 
Uncirculated. Coins showing no trace of wear. Coins graded Mint State 60 – 70.
MSBN
Mint State Brown copper coinage.
MSFB
Mint State Full Band Mercury dimes. 
MSFH
Mint State Full Head Standing Liberty quarters.
MSRB
Mint State Red Brown copper coinage.
MSRD
Mint State Red copper coinage.
PL
Proof like.
PR
Proof.
PRBN
Proof Brown copper coinage.
PRRB
Proof Red Brown copper coinage.
PRRD
Proof Red copper coinage..