Countermark

https://rpc.ashmus.ox.ac.uk/countermark/1051 
RPC I index 18
B
For a table of the Spanish countermarks, see here

Coins with this countermark

Number Image TypeNumber CoinNumber VolumeNumber
RPC I, 448 Show 448 24 1
RPC I, 445 Show 445 61 1
RPC I, 445 Show 445 63 1
RPC I, 459 Show 459 90 1