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LOT 2175
Natural History - White Pecopteris Fern Specimen Group
DEVONIAN PERIOD, CIRCA 417-354 MILLION YEARS B.P.
6 - 9 7/8 in. (3.04 kg total, 15-25 cm).
Five Pecopteris sp. fern specimens on irregular matrices [5, No Reserve]
ProvenanceFrom St. Clair, Pennsylvania, USA.
Acquired during the 1980s.
From the Pradi Collection, Boston, USA.
These fern fossils are very common from coal mining areas around the world. However, it is the unique state of preservation of the white on the black shale that gives the St. Clair ferns their beauty and rarity. This combination is not found anywhere else in the world.
CONDITIONTimeLine 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 2175
Natural History - White Pecopteris Fern Specimen Group
Sold for (Inc. bp): £13
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Natural History - Boxed Calcite with Sphalerite Mineral Specimen
Sold for (Inc. bp): £7
Comprising a large single yellow calcite crystal on a cluster of sphalerite crystals; supplied in a labelled specimen tray. 48 grams, 48 mm
From Tri-State, U.S.A. Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's). -
Natural History - Historic Botryoidal Haematite Mineral Specimen
Sold for (Inc. bp): £65
In almost black colour. 317 grams, 86 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. -
Natural History - Mixed Cut and Polished Agate Slice Collection [20]
Sold for (Inc. bp): £39
Displaying attractive banding, some with enhanced colouring. 341 grams total, 45-83 mm
From Brazil. Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's).