Copper-alloy, 3.56 grams, 31.09 mm. Circa 14th-15th century AD. A cast disc medallion badge with pelletted border and central design of a ring-and-dot from which emanate four ovoids and chevrons within a trilinear border. The attachment loop was lost in antiquity. Discoid medallion badges are associated with several places of pilgrimage including the shrine of St. Mary in the undercroft at Canterbury cathedral; they usually feature a dedicatory text. Reference: Mitchiner, M. Medieval Pilgrim & Secular Badges, London, 1986 p.71-2 item 129-33. Very fine condition. Provenance: found on the Thames foreshore at London Bridge.