polished die: before they are used for the first time, or after they have become worn, dies are often polished to make the surfaces nice and smooth. Polished dies may be highly reflective or may have die polishing marks.
polished die
A die that has been basined to remove clash marks or other die injury. In a positive sense, Proof dies were basined to impart mirrorlike surfaces, resulting in coins with reflective field.
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Polished die
A die that has been basined to remove clash marks or other die injury. Dies used to strike Proof coins were polished to impart mirrorlike surfaces.
Also see: Basining
Polyvinyl chloride ...
POLISHED DIE
A die that has been highly polished, usually for the production of superior quality coins such as proofs, proof likes, etc.
POR ...
Their production process, on specially adapted coining presses and specially polished dies, brings forth even the most minute of details with remarkable clarity.
American Numismatic Association (ANA): ...
proof - a coin produced from polished dies and/or planchlets. Most often each proof coin is struck twice/or more which gives the coin a very sharp degree of detail and mirror like surface.
The classics are the very low mintage 1914-D, the over-polished die resulting in the 1922-D without Mint mark issue, low mintage 1931-S and the classic error 1955 doubled die coin.
Proof Silver Dollars that are struck multiple times with specially polished dies and display a mirror-like background and a frosted image.
Modern proof coins are minted from highly polished dies using specially prepared blanks with a bright surface. Extra pressure is used to strike the coin and often the blank is struck more than once.
Proof coins are specially struck coins from meticulously prepared and polished Dies and planchets. These coins are then struck with perfect detail and brilliant surfaces.
Obverse and reverse with full prooflike surface, struck from polished dies, but whether intended as a Proof is not known.
proof - Collectible coin produced from heavily polished dies and a polished planchet. Each proof coin is struck two or more times on each side which gives the coin an incredibly sharp frosted image that floats on a mirror like background.
Proof Coins specially struck for collectors using polished dies and planchets. Proof Set Set of proof coins packaged and sold by the mint. Punch Mark Coin struck from 'punching' the coin with symbols or seal.
Prooflike - An exceptional production coin, struck from brilliantly polished dies on a blank which may or may not also have been polished before striking.
Proofs - Coins struck for collectors using specially polished dies.
Raised lines on coins that were struck with polished dies. As more coins are struck with such dies, the striations become fainter until most disappear.
die trial
A test striking of a particular die in a different metal.
Proof blanks are hand-fed onto presses fitted with specially polished dies, then struck at least twice for exceptional brilliance and unmatched detail.
This consists of placing the die against a rotating zinc dish. The process was used so that coins would STRIKE-up properly. Newly polished dies were a major factor in the production of PROOFLIKE dollars. See Also: Polished Die.
Highly polished dies and special plainchants are used to produce coins with a mirror-like finish. A proof strike is very different from a business strike and proof coins are generally made for collectors not for normal use.
They are struck using polished dies. Usually the coins are made on a slower moving press, and/or are struck more than once. Most proof coins are brilliant, with a mirror-like surface.
Proof
A coin struck twice or more from specially polished dies and polished planchets. Modern proofs are prepared with a mirror finish. Early 20th century proofs were prepared with a matte surface.
The term "Proof" refers to a coin minted from highly polished dies resulting in a well-struck coin with highly reflective fields.
Die striations - Raised lines on coins that were struck with polished dies.
Die trial - The test striking of a particular die in a different metal such as copper of aluminum.
Proof coins are ones struck with greater pressure than the usual circulation issues, using specially polished dies and carefully prepared blanks. In some cases more than one strike is made to ensure that the metal flows fully into the design.
ProoflikeSaid of a presentation piece or an exceptional production coin, struck from brilliantly polished dies on a blank which may or may not also have been polished before striking.
Quarter EagleLegal name for the $2.50 gold coin.
Sandblast (proof)
One made by sandblasting coins given the normal multiple blows from polished DIES. Several variants of this finish appear on US gold coins minted in 1908 and 1911-1915. See also, MATTE ...
Such surfaces were caused by striking the pieces from polished dies. In some instances, a new die was given a mirrorlike finish as part of the die manufacturing process.
American Eagle Proof Coin: Proof-quality bullion (platinum, silver, gold) coins released by the United States Mint beginning in October 1986. Their production process, on specially adapted coining presses and specially polished dies, ...
Proof - A specially-made coin distinguished by sharpness of detail and usually with a brilliant, mirrorlike surface. Proof refers to the method of manufacture and is not a grade. A Proof is a coin that is specially prepared using highly-polished dies ...
They are struck under greater pressure than most business strikes, and usually they are given two or more blows of the die. In addition, they are struck on specially made, polished planchets, using polished dies (in the case of brilliant proofs.) ...
 See also: Polished, Mint, Struck, Proof, Coin
  
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