COLLECTION OF BACTRIAN AND MESOPOTAMIAN STONE DECORATED VESSELS. Ca. 2500 - 2200 BC. A collection of three stone vessels, including, from left to right: a calcite beaker with tapering sides, flat base and a slightly flared lip; a tall calcite conical beaker with a flaring mouth; a dark stone jar with a short neck and pronounced rim, the exterior decorated with sets of triple incised bands. For similar see: A. Bevan, Stone Vessels and Values in the Bronze Age Mediterranean, 2007, fig. 6.14. Size: 90-135mm x 35-45mm; Weight: 675g Provenance: Private UK collection; acquired in Germany; formerly with M. Koening collection, Brussels, Belgium 1990s-2010.