Please Note this is a bullion release - this may mean that the product may show small areas of tarnish and small minting marks - this is industry standard. 
These are in general very good condition.
 
Sent in coin flips.
 
1/4 oz 999 Silver Aztec Calendar - USA Silver Round
 
The medal beautifully depicts the famous Aztec calendar stone.
On the back is the portrait of Cuauhtemoc the last Aztec emperor of Tenochtitlan
mapped
 
Details:
Weight: 1/4 oz - 
Material: 999 silver
Origin: USA