Countermark

https://rpc.ashmus.ox.ac.uk/countermark/522 
GIC 400
cornucopia containing three poppy heads and corn ears?
there are possibly some letters to the r. of the cornucopia ΑΠΑΜ or some such? 

Coins with this countermark

Number Image TypeNumber CoinNumber VolumeNumber
RPC I, 3129 Show 3129 16 1
RPC I, 3133 Show 3133 9 1
RPC I, 3129 Show 3129 27 1
RPC I, 3129 Show 3129 28 1
RPC I, 3129 Show 3129 30 1