Terms:

• Numismatics - Numismatics is the study and collecting of things that are used as money, including coins, tokens, paper bills, and medals.
• Obverse - The obverse is the front or heads side of a coin.
• Reverse - The reverse is the back or tails side of a coin.
• Denomination - A denomination is the specific value of money. 
• Grade - A coin's grade refers to its physical state, as determined by a numismatic professional, using a coin grading scale.

Conditions: The Sheldon Scale is the industry standard for evaluating a coin's condition. A 70-point coin grading system created by Dr. William Herbert Sheldon in 1948, ranging from 1 (Poor) to 70 (Perfect Mint State).