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![Sasanian Rock Crystal Stamp Seal: 4th-7th century A.D. Plano-convex in profile with intaglio motif of a crouching antlered animal; pierced for suspension. 4.65 grams, 18 mm (3/4 in.). [No Reserve] Ex P Chapman collection, 19080s-1990s](https://p1.liveauctioneers.com/1191/405223/225126429_1_x.jpg?height=280&quality=70&sharpen=true&version=1769779204&width=280)
