France - Gros au heaume n.d, Silver, JEAN IV 1365–1399, MONNAIES FEODALES, BRETAGNE Rennes mint. Horned helmet over arms of Brittany ✠ IOhANNES x DVX – ❀ (BRITANIE ❀) R. Rev. short cross fleury with quatrefoil in centre ✠ DEVS: IN: ADIVTOREM: MEV: INT.Jézéquel 246; Bigot 663.According to collector's ticket bought from Florange in 1977.2.68 g. RR Very fine +