3rd-7th century AD. A green jasper stamp seal with dome-shaped body; engraved to the underside with a calf looking back to a rearing lion. See Gyselen, R. Sasanian Seals and Sealings in the A. Saeedi Collection, Acta Iranica 44, Herent, 2007, for discussion. 3.20 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. Very fine condition.