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Denver Gold and Silver Coins
600 South Holly Street Suite 103
Denver, Colorado 80246
Open
Monday - Thursday from 9 am to 6 pm
Friday and Sunday from 9 am to 4 pm
Call anytime - leave a message: 303-835-8892-
O -
obol
Greek denomination equal to one-sixth drachma.
obsolete bank note
Note of an American bank of issue prior to 1865; a more accurate
term than "broken" bank note, since many note-issuing
banks converted into national banks or liquidated without failing.
See also bank note.
obverse
The side of a numismatic item which bears the principal design or
device, often as prescribed by the issuing authority. In paper money,
this is called the face. In slang, the obverse is the "heads"
side.
offset
Printing method in which a metallic plate places an ink impression
on an elastic blanket and is then transferred to the paper. Also,
a term sometimes used to describe a blanket impression paper money
error.
OPA token
A cardboard fiber token issued in the United States by the Office
of Price Administration in 1944 during World War II. They were used
to make change for meat and processed food coupons (to keep track
of ration points awarded each family during periods of rationing).
They were issued in red and blue versions. Both sides of the OPA
token depicts a numeral 1 flanked by two small initials. See also
token.
overdate
The date made by a Mint engraver superimposing one or more numbers
over the date on a previously dated die. |