Henry VII Groat class IIa, London, two arch crown, no initial mark struck to commemorate the 150th

struck to commemorate the 150th anniversary of the London Underground

Mint of Pergamon

very rare host coin variety

crown at centre of crowned cruciform shields

37g (Blackburn NC 1975

Henry VII Groat class IIa, London, two arch crown, no initial mark struck to commemorate the 150thHenry VII (1485 1509),silver Groat, type IIa, London Mint, facing crowned bust in double tressure of nine arcs, two arched crown, trefoils on cusps, beaded circle and Latin legend surrounding, no initial mark (1488 89), hEnRIC'x DI'x GRA'x REXxx AGL'x Zx FRAnCx,rev. long cross pattee, tri pellets in each inner angle, beaded circles and twin concentric legend surrounding, inner legend CIVI TAS LOn DOn, outer legend surrounding, POSVIx DEVmx A DIVTOR E'