Natural History - Historic Cut & Polished Roman Porphyry Slice Group [4]

4 3/8 - 7 7/8 in. (204 grams total, 11-20 cm).

Comprising lacquered porphyry slices of irregular shapes, cut and polished on both sides, probably recycled material mined in ancient Roman times. [4, No Reserve]

Provenance

Mineral Imports, London, UK.
Gregory, Bottley & Lloyd (Gregory's).

CONDITION

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AUCTIONS:

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LOT 1881