Vase en bronze Gu Chine, Dynastie Shang, XIIIE-XIIE siècle avant J.C.

de forme cornet, le col largement évasé, la partie centrale légèrement renflée à décor incisé de masques taotie stylisés sur fond de huiwen, oxydation verte, mordorée par endroits

The Gu vase is generally in good condition and bearing a nice patina. There are two vertical holes on each side of the foot (1cm by 2mm and 5 x 1mm) possibly original to the piece ; oxidization and crust consistant with age and cuprite encrustations consistant with age ; the actual color of the bronze is more green than the catalogue illustration.
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A closely related example from Dr. Pierre Uldry collection, is illustrated in  Helmut Brinker, Bronzen aus dem Alten China, pl.33, p.77.