Coins of Penthievre - catalog with values
County of Penthievre
denier
Stephen I count of Tréguier (1093-1138)

denier no date
silver
STEPIAN COM
GVINGAMP
~ 25-30 USD
Other coins of French Feudalist
Costs of Penthievre coins in this catalog approximate and indicated specifically for the coin shown in the picture.
I do not buy or sell coins - this is just a catalog.