3rd-7th century AD. A chalcedony stamp seal with domed body; engraved to the underside with a human-headed, winged Lamassu bull, with Pahlavi script to the side. See Gyselen, R. Sasanian Seals and Sealings in the A. Saeedi Collection, Acta Iranica, Herent, 2007, for discussion. 3.28 grams, 14mm (1/2"). Property of a North London lady; gifted from her father's collection; formerly with a Mayfair gallery, London, UK; previously acquired in the 1980s. Extremely fine condition.