Authoritative determination of the genuineness of a coin.
How many of this coin was produced. The lower the mintage the more valuable the coin.
What the coin is worth if you want to spend it.
The science, study or collecting of coins or similar objects.
A carefully constructed series of guidelines to determine the condition and therefore the rarity and value of a coin.
Proof of Origin
A carefully struck coin using special dies, with frosted images on a mirror-like background. Proof is a method of manufacture, not a condition or grade.
A letter or symbol, indicating the mint of origin.
A small mark or differentiation in the design of a coin