定義

• Called in French Monnaies d'essai, and in German Probemunzen, are trial pieces, the object of which is to test the die and notes the details of the design. They are frequently made of a different thickness and in other metals than the coins subsequently to be struck from the same die. See Piefort.

資源

• Frey's Dictionary (American Journal of Numismatics, Vol. 50, 1916)

人际关系