12th-15th century AD. A mixed group of three bronze keys comprising: one lozenge bow circle type key with lozengiform bow, a circular hole in the centre and each corner, a cylindrical collar above, round-section stem and rectangular bit with two projections, probably for a casket or chest; two smaller, one with lozengiform bow with concave sides, knops at three corners, rectangular-section stem and rectangular bit; circular bow, collar, round-section stem, pointed terminal and rectangular bit. See Egan, G., The Medieval Household Daily Living c.1150-c.1450. Medieval finds from Excavations in London 6, London, Museum of London / The Stationery Office, 1998. 48.8 grams total, 41-90mm (1 1/2 - 3 1/2"). Found whilst searching with a metal detector in Cambridgeshire and Leicestershire, UK, by Robert Ward; one item accompanied by a copy of Portable Antiquities Scheme (PAS) report number LEIC-6D0CAD. [3, No Reserve] Condition Report Fine condition.