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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]
ProvenanceMineral Imports, London, UK.
Gregory, Bottley & Lloyd (Gregory's).
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AUCTIONS:
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Natural History - Pyrite Crystal 'Flower' Specimen Group
Sold for (Inc. bp): £39
A group of three pyrite crystal, or 'fool's gold' 'flowers'. 430 grams total, 49-61 mm
From Huanaco, Peru. Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's). -
Natural History - Large Mosasaur Fossil Jaw on Stand
Cretaceous Period, 145-65 million years B.P.Estimate: £2,000 - 3,000 (+bp*)
Opening Bid: £1,000
A large fossil lower jaw section from the aquatic dinosaur Mosasaur sp., displaying 11 teeth each with good remains of enamelling and some serration; mounted on a custom-made display stand. 15.5 kg total, 1.28 m wide including stand
From a Cambridgeshire, UK, collection. This lot has been checked against the Interpol Database of stolen works of art and is accompanied by search certificate number no.11723-197546. -
Natural History - Polished Amber with Spider Mite Inclusion
Oligocene Period, circa 45 million years B.P.Sold for (Inc. bp): £72
An ellipsoid section fragment of amber, polished, with three spider-mite inclusions. 1.52 grams, 32 mm
From the Baltic Sea Coast, Primorskoje mine, Kaliningrad. From an Essex, UK, collection. Accompanied by an illustrated identification card with collection number 3208.
