MESOPOTAMIAN WHITE MARBLE STAMP SEAL RECUMBENT GRIFFON. Ca. 3000 BC. A white veined stone stamp seal drilled vertically. The back presents a recumbent griffin with a curved beak in deep relief. Size: 40mm x 22mm; Weight: 14g. Provenance: Private London collection of an Ancient Art dealer; Formerly in a central London family collections 1990s; Suggested to be examined by Professor Wilfrid George Lambert FBA (1926-2011), historian, archaeologist, and specialist in Assyriology and Near Eastern archaeology, in the late 1980s and early 1990s.; ex. 1970s/early80s UK art market.