Justin I AE pentanummium Chi-Rho Constantinople.

Ancient Coins - Justin I AE pentanummium  Chi-Rho Constantinople.
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Justin I AE pentanummium  Chi-Rho Constantinople.  
 
Obv:  Bust of Justin I right.
 
Rev:  Chi Rho symbol
 
SB#75.  Constantinople Mint.  518-527 AD.