Countermark

https://rpc.ashmus.ox.ac.uk/countermark/116 
GIC 614
ΔΙΟ in monogram
square 
5 mm 
Patras (Peloponnesus)
= Διο(ς). The finds confirm that the cmk referred to the cult of Zeus at Olympia. They may have changed the coins of Patras into small cahnge for Olympia itself. Elis did not strike coins in the imperial period until Hadrian, Compare GIC 613 
List of countermarks View on a map

Coins with this countermark

Number Image TypeNumber CoinNumber VolumeNumber
RPC II, 222 Show 222 2 2
RPC II, 233 Show 233 1 2
RPC II, 234 Show 234 1 2
RPC I, 1256 Show 1256 26 1
RPC I, 1256 Show 1256 27 1
RPC I, 1282 Show 1282 7 1