Included at the end of each posting is a reference to the rarity and average price observed by the author. This is, or course, subjective, and results may vary depending on a variety of factors, including condition, certain markings, etc., while rarity may vary depending on time and location.

Rarity is marked on a scale as follows:

Production (currently produced)
Surplus (Currently available on the surplus market)
Common
Uncommon
Rare
Very Rare