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LOT 1881
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]
ProvenanceMineral Imports, London, UK.
Gregory, Bottley & Lloyd (Gregory's).
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AUCTIONS:
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LOT 1881
Natural History - Historic Cut & Polished Roman Porphyry Slice Group [4]
Sold for (Inc. bp): £208
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Natural History - Polished Copal with Insects
Over 3 million years B.P.Sold for (Inc. bp): £33
Containing several insects and other inclusions. 39 grams, 16.5 cm
From Madagascar. Acquired 1950s-1960s. From an old Bristol, UK, palaeontological collection. -
Natural History - Boxed Pyrite 'Fool's Gold' Crystal Specimen
Sold for (Inc. bp): £17
The specimen comprising small and large crystals with one larger cuboid crystal to the top; supplied in a labelled cardboard tray. 95 grams total, 42 mm
From Peru. Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's). -
Natural History - Large Historic Fluorite Crystal 'Flower' Specimen
Sold for (Inc. bp): £13
On an irregular matrix, comprising white and light lilac crystals forming a flower-like fanned cluster. 646 grams, 18 cm
Ex Gregory, Bottley & Lloyd (Gregory's).