BYZANTINE LEAD BULLA WITH MONOGRAM. Ca. AD 600 - 800. A lead bulla with a cruciform invocative monogram on the obverse, enclosed by a raised border; the reverse with a four-line Greek inscription within a beaded circular frame. For similar see: The British Museum, Museum number 1983,0740.1. Size: 24mm x 21mm; Weight: 12g Provenance: From an old British collection formed in the 1990s; previously acquired in Holland.