ca. 3300-2250 BCE
Perforated disk of the type pi [bi] 璧; bored from both sides, leaving median ridge; mottled lime-yellow and pale greens with reddish-brown strata and veinings; profuse cream-colored incipient disintegration in fissures and veinings, of a smooth enamel like texture; surface contours uneven, a saw mark on each side. (Rim broken in several places.)
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