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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).
TimeLine Auctions follows a vetting process to ensure the authenticity and legality of all items, reinforcing our commitment to integrity and responsible trading. Each antiquity, antique, and coin lot undergoes thorough examination by a vetting committee of at least ten external specialists, professional trade association members, scientists, and archaeologists: Our Vetting Process
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 - Woolly Mammoth Bone Bead Group
Devensian Period, 110,000-12,000 years B.P.Sold for (Inc. bp): £98
Comprising recently polished oblate Mammuthus primigenius bone beads. 39.1 grams total, 12-14 mm
UK gallery, early 2000s. -
Natural History - British Fossil Scallop
Jurassic Period, circa 165-200 million years B.P.Sold for (Inc. bp): £26
Comprising an almost complete Pseudopecten acuticostata and remains of other fossils on the matrix. 179 grams, 86 mm
From Blockley Quarry, Gloucestershire, UK. From a Norfolk, UK, collection. -
Natural History - Historic Cassiterite Ore with Crystal Formation
Sold for (Inc. bp): £78
Comprising prismatic black crystals on a host rock. 349 grams, 66 mm
Collected in person from various parts of the world mainly between 1957-1966. From the private mineral collection of Stephen Atkinson, Harpenden, UK. Accompanied by a copy of a letter from the vendor giving details of him collecting these minerals throughout his life.
