3100-2900 BC. An elliptical jasper bifacial intaglio, to the obverse a kneeling human in profile with birds, fish and mammals surrounding, the reverse with later Greek (Gnostic?) inscription '??WN / ????? / ??VA? / EAW'; accompanied by a museum-quality impression. 1.43 grams, 19mm (3/4"). From an important London based collection formed 1970-1990s. [No Reserve] Fine condition.