BACTRIAN STONE CYLINDRICAL VESSEL. Ca. 2500 - 2200 BC A stone vessel of tall cylindrical form with slightly tapering sides and a rounded base, the circular mouth rising to an everted rim. Size: 125mm x 92mm; Weight: 760g. Provenance: Private London collection; previously part of an early 2000s UK ancient art collection; formerly in the collection of G.M., prior to 1996.