For similar c.f., J.D. Cooney, Catalogue of Egyptian Antiquities in the British Museum: Glass, vol. IV, London, 1976, nos 198 and 202; also Ancient Glass, formerly in the Kofler Truniger collection, Christie's London, 5 and 6 March 1985, lot 284 and The Alfred Wolkenberg Collection of Ancient Glass, Christie's London, 9 July 1991, lot 165