Countermark

https://rpc.ashmus.ox.ac.uk/countermark/1132 
RPC I index 98
uncertain monogram
For a table of the Spanish countermarks, see here

Coins with this countermark

Number Image TypeNumber CoinNumber VolumeNumber
RPC I, 179 Show 179 32 1
RPC I, 8 Show 8 8 1
RPC I, 11 Show 11 56 1