Nero egyptian tetradrachm silver-billon...12 gm....NERO
crude uncleaned provincial issue.
$16.49
Nov-15-05

the important thing was the weight , the amount of silver. since alexandria was a emperor's personal provence, he debased the coins to about 50% during this time. by the  
mid 2nd century it  was pretty much all base metal ..people 
still horded them...