Countermark

https://rpc.ashmus.ox.ac.uk/countermark/1012 
GIC 399 .1
cornucopia(?) or dolphin(?) (sometimes on reverse) (no image in GIC)
GIC gave cmk as cornucopia? Gabrici 312 given as dolphin. no photo in GIC. No cornucopia or Dolphin in Martini-Pangerl 

Coins with this countermark

Number Image TypeNumber CoinNumber VolumeNumber
RPC I, 642 Show 642 25 1