Denver Gold and Silver Exchange
5475 Leetsdale Dr Suite 210
Denver, Colorado 80246
Monday - Saturday 10 am to 5 pm
Sundays by Appointment Only
Call anytime - leave a message: Main Number: 303-333-1411
Printed monetary instruments. Modern collectors may be challenged
for a new term as nations experiment with plastics and other materials
for their printed currency.
The surface quality that a coin acquires over time as the metal
reacts with the environment.
Coin-like pieces designed to test proposed coin designs, mottoes
or denominations proposed for adoption as a regular issue, struck
in the metal to be issued for circulation and which were not adopted,
at least in year of pattern issue. Do not use as a generic term
describing experimental pieces and trial pieces.
pieces of eight
Popular term for silver Spanish 8-real pieces; often associated
with pirate treasure.
A piece struck on a planchet twice or more the normal thickness.
The French spelling used in Europe is piedfort.
Gold coins, often privately produced, struck in areas of the United
States to meet the needs of a coin shortage, generally in traditional
U.S. denominations. The U.S. Assay Office coins of California official
coinage struck before the establishment of the San Francisco Mint
are part of the series. Also known as private gold and territorial
The disc of metal or other material on which the dies of the coin,
token or medal are impressed; also called blank, disc, flan. In
paper money, a small colored disc embedded in the paper used as
an anti-counterfeiting device.
Synthetic modelling clay.
Abbreviation of philatelic-numismatic combination (or cover). A
combination of a coin, medal, token or other numismatic item inserted
into an envelope that is postmarked on a special occasion, such
as the release of a new postage stamp. The numismatic item (or numis)
is generally visible through a window in the envelope.
The First Issue fractional note series.
Forerunner of the postal money order, issued by the U.S. Post Office.
Prestige Proof set
A special U.S. Proof set, commemorating regular Proof coins plus
commemorative coins of that year. Offered first in 1983 with 1983-S
Olympic silver dollar; also offered in 1984 (with 1984-S Olympic
dollar) and 1986 (with 1986-S Immigrant half dollar and 1986-S Ellis
Small device used on coinage often commemorative in nature, similar
to Mint mark in placement, but not indicative of Mint of origin.
A coin struck on specially-prepared planchets on special presses
to receive the highest quality strike possible, especially for collectors.
For paper money, a print made to test the plate, analogous to a
die trial strike in coinage.
A set of one Proof coin of each current denomination issued by a
recognized Mint for a specific year. See "Prestige Proof set."
An Uncirculated coin having received special minting treatment and
a mirror surface for the benefit of collectors, with minor imperfections
due to the minting process permissible.