![Historic Roman 'Spartan Basalt' Cut Green Porphyry Strip Group: Cut and polished sections, mined in Greece, cut and polished on both sides, probably recycled material mined in ancient Roman times. 225 grams total, 4.4-15.1 cm (1 3/4 - 6 in.). [7, No Reserve] Ex Mi](https://p1.liveauctioneers.com/1191/426518/237925388_1_x.jpg?height=280&quality=70&sharpen=true&version=1785755501&width=280)
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