PAIR OF CRUSADER SILVER SEAL RINGS WITH INITIALS Ca. AD 1200 - 1400. A pair of silver seal rings, from left to right: a ring with a slender hoop and circular bezel engraved with a stylised letter M filled with cross-hatching, enclosed by a beaded border; and a ring with a tapering hoop and circular bezel engraved with an angular initial. Size: D:17.12-21.79mm / US: 6 3/4-12 1/2 / UK: N-Z; Weight: 4.6g Provenance: Private UK collection; London art market acquisition, pre-2000.