The coin in the image is a silver groat (four pence) of King Henry VI, minted at the Calais mint. The coin is an example of medieval English hammered silver.Important DetailsDimensions: diameter 26 mmMaterial: silverWeight: 3.39 gramsRuler: Henry VI, first reign period (1422–1461).Mint location: Calais.Issue: The coin belongs to the 'Annulet issue' (circa 1422–1427), identifiable by the specific markings in the legends.Back Design: In the center sits a long cross pattern that extends through...