Henry VI, first reign Groat, Calais, rosette mascle issue

Henry VI, first reign (1422-61), silver Groat of Fourpence, rosette mascle issue (1427-30), Calais Mint, facing crowned bust, within double tressure of nine arcs, fleur on each cusp, beaded circles and legend surrounding, rosette and mascle stops, initial mark cross patonce (1427-34), +hEnRIC'* DI'* GRA'* REX<> AnGL'* Z* FRAnC', rev. long cross pattee, tri-pellets in each inner angle, beaded circles and double concentric legends surrounding, rosette and saltire stops, VIL <>LAxx CALI SIE*, outer legend initial mark plain cross, +POSVI* DEVmxx A DIVTOR E'x mEVm, weight 3.60g (N.1446; S.1859). Dark tone, well struck on a broad flan, a couple of hairline scratches at centre each side, otherwise very fine.