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Q
Quarter
Short for a coin of the quarter dollar denomination.
Quarter Eagle
Correct terminology for a two-and-one-half dollar gold coin. This denomination, two and
one half dollars or one fourth of an eagle, was first struck in 1796, struck sporadically
thereafter, and discontinued in 1929.
R
Rainbow Toning
Term for toning which is usually seen on silver dollars stored in bags. The “colors of the
rainbow” are represented, stating with pale yellow, to green, to red, to blue, and
sometimes fading to black.
Rare
A relative term indicating that a coin within a series is very difficult to find. Also, a coin
with only a few examples known. A rare Lincoln cent may have thousands known while a
relatively common pattern may only have a few dozen known.
Rarity
The number of specimens extant of any particular numismatic item. This can be the total
number of extant specimens or the number of examples in a particular grade and higher.
(This is referred to as condition rarity.)
RB
Short for red and brown or Red-Brown.
Red-Brown
A copper coin that has from 5 to 95 percent of its original mint color remaining (RB).
Redbook
First issued in 1947, this yearly price guide has been the “bible” of printed numismatic
retail price guides.
Reverse
The back, or tails side, of a coin. Usually opposite the date side.
Quarter
Short for a coin of the quarter dollar denomination.
Quarter Eagle
Correct terminology for a two-and-one-half dollar gold coin. This denomination, two and
one half dollars or one fourth of an eagle, was first struck in 1796, struck sporadically
thereafter, and discontinued in 1929.
R
Rainbow Toning
Term for toning which is usually seen on silver dollars stored in bags. The “colors of the
rainbow” are represented, stating with pale yellow, to green, to red, to blue, and
sometimes fading to black.
Rare
A relative term indicating that a coin within a series is very difficult to find. Also, a coin
with only a few examples known. A rare Lincoln cent may have thousands known while a
relatively common pattern may only have a few dozen known.
Rarity
The number of specimens extant of any particular numismatic item. This can be the total
number of extant specimens or the number of examples in a particular grade and higher.
(This is referred to as condition rarity.)
RB
Short for red and brown or Red-Brown.
Red-Brown
A copper coin that has from 5 to 95 percent of its original mint color remaining (RB).
Redbook
First issued in 1947, this yearly price guide has been the “bible” of printed numismatic
retail price guides.
Reverse
The back, or tails side, of a coin. Usually opposite the date side.
1-877-261-6869