Countermark

https://rpc.ashmus.ox.ac.uk/countermark/725 
GIC 599
P·R (two ᴙ·ꟼ, one R ꟼ)
Rectangular punches: 4–8.5 × 6–11mm 

Coins with this countermark

Number Image TypeNumber CoinNumber VolumeNumber
RPC I, 4272 Show 4272 12 1
RPC I, 4284 Show 4284 1 1
RPC I, 4307 Show 4307 10 1
RPC I, 4307 Show 4307 13 1
RPC I, 4307 Show 4307 14 1
RPC I, 4264 Show 4264 9 1
RPC I, 4279 Show 4279 13 1
RPC I, 4247b Show 4247 4 1
RPC I, 4277 Show 4277 17 1
RPC I, 4307 Show 4307 18 1