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LOT 2348
Polished Fossil Tree Slice
TRIASSIC PERIOD, 251-199 MILLION YEARS B.P.
6 1/8 in. (437 grams, 15.7 cm).
Agatized slice showing attractive patterns, polished on both sides. [No Reserve]
ProvenanceFrom a Cambridgeshire, UK, collection.
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 2348
Polished Fossil Tree Slice
Estimate £20 - 30€23 - 35 (for guidance only)$27 - 41 (for guidance only)
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Fossil Belemnite in Matrix with Ammonite Impression
Jurassic Period, circa 201-143 million years B.P.Estimate: £30 - 40 (+bp*)
Bids: 1 | Current Bid: £5
An irregular matrix with Cylindroteuthis puzosiana belemnite and an impression of Kosmoceras ammonite, inked collector's number '55'. 687 grams, 27.1 cm
From Jurassic Oxford Clay, Jason Zone, Calvert, Buckinghamshire, UK. From the private collection of Kenneth Machin (1936-2020), Buckinghamshire, UK; his collection of antiquities and natural history was formed since 1948; thence by descent. -
![Large Group of Forty-Two [42] Cleaved Optical Calcite Specimens](https://timelineauctions.com/upload/images/items/small/255972-s.jpg)
Large Group of Forty-Two [42] Cleaved Optical Calcite Specimens
Estimate: £30 - 40 (+bp*)
Opening Bid: £5
Comprising forty-two calcite rhombs displaying characteristic double refraction. 1.54 kg total, 24-42 mm
Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's), Harwich, UK. -
Manganese Dendrite Landscape Plaque Group
Estimate: £30 - 40 (+bp*)
Opening Bid: £5
A group of three sawn rectangular shale specimens, each displaying manganese oxide dendrites resembling ferns and branching vegetation. 397 grams total, 10.9 x 7.2-13.7 x 7.7 cm
Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's), Harwich, UK.
