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Details
LOT 1841
Natural History - Porphyry Cut Slice Group
3 3/8 - 6 1/4 in. (244 grams total, 8.5-16 cm).
A group of ten porphyry slices of irregular shapes, cut and polished on both sides, probably recycled material mined in ancient Roman times. [10, No Reserve]
Provenance
Mineral Imports, London, UK.
Gregory, Bottley & Lloyd (Gregory's).
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AUCTIONS:
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