https://rpc.ashmus.ox.ac.uk/countermark/536 

GIC 414

bunch of grapes

circular 

4 mm 

Aphrodisias (Caria)

the cmks GIC 180 and GIC 414 were applied to coins of Plarasa and Aphrodisias which were excuded from RPC I as being too early. The cmks were included in GIC as the coins had been previously attributed to the time of Augustus.