A GROUP OF 3 MESOPOTAMIAN AND SASANIAN AGATE STAMP-SEALS. Assyro-Babylonian and Sasanian types; 8th century BCE- 4th century A.D. Dim. 21,4 x 16,9 mm / 22,8 x 21,3 mm / 16,6 x 11,3 mm Provenance Swiss private collection of the Numismat Giovanni Maria Staffieri, acquired between the 1960s-1990s One of a duck-shape form (head partially broken), the base engraved with a cultic scene; one of octogonal shape, the base engraved with a cultic scene; one of rounded shape, the base engraved with two crouched stags and a Pahlavi inscription below. All pierced.