3rd-7th century AD. An agate cone-shaped stamp seal engraved to the underside with a knot pattern to the centre, Pahlavi script to the edge; accompanied by a museum-quality impression. See Gyselen, R. Sasanian Seals and Sealings in the A. Saeedi Collection, Acta Iranica, Herent, 2007, for discussion. 4.59 grams, 19mm (3/4"). Property of a North London lady; gifted from her father's collection; formerly with a Mayfair gallery, London, UK; previously acquired in the 1980s.