6th century AD. A bronze button brooch of Avent's Class H with flange to the rim, inner collar, central helmetted mask with scaphoid mouth; remains of lug and catch to the reverse. Cf. Avent, R. & Evison, V.I., Anglo-Saxon Button Brooches in Archaeologia, vol.CVII, 1982, p.87. 43.8 grams, 43mm (1 3/4"). Property of a West Sussex, UK, gentleman; found by his grandfather in West Sussex in the early 1990s.