Deutschland - Mittelalter - Köln - Friedrich III von Saarwerden (1371-1414) - Goldgulden nd. (1410-12), Bonn (Felke800, Noss260b, Fr.791) - Obv: Arms in pointed trilobe, in angles arms of Mainz and Trier, also rosette / Rev: St. John standing facing, pellet between feet, 'high' point before BVINSIS - Gold 3.43 g. - good VF