Countermark

https://rpc.ashmus.ox.ac.uk/countermark/1438 
Martini, Pangerl 112 b
(AP)RON or (AP)RONI
rectangular 
10 x 5 mm 
Uncertain mint (Africa)
 
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Coins with this countermark

Number Image TypeNumber CoinNumber VolumeNumber
Show 319
Show 319