AN URUK STONE STAMP-SEAL. Proto-Elamite, 4000-3000 BCE Dim. 21,5 x 14,7 mm Provenance Swiss private collection of the Numismat Giovanni Maria Staffieri, acquired between the 1960s-1990s Oval-shaped, black stone stamp-seal with gabled top; hole drilled through longitudinally for suspension; base engraved with crude design showing a man riding horse. For a similar typology see British Museum, inv. 135723.