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Polished Fossil Coral Head Heart Group
Devonian Period, circa 417-354 million years B.P.Estimate: £20 - 30 (+bp*)
Opening Bid: £5
Comprising five polished hearts, each showing internal coral structure. 106 grams total, 27-36 mm
From a Cambridgeshire, UK, collection. -
![Group of Six [6] Large Cut and Polished Agate Geode Halves](https://timelineauctions.com/upload/images/items/small/256037-s.jpg)
Group of Six [6] Large Cut and Polished Agate Geode Halves
Estimate: £30 - 40 (+bp*)
Opening Bid: £5
Comprising six cut and polished geode halves showing characteristic banding, some with crystal-lined interiors. 2.74 kg total, 9-12.5 cm
From Brazil. Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's), Harwich, UK. -
Polished Amber with Midges
Oligocene Period, circa 45 million years B.P.Estimate: £30 - 40 (+bp*)
Bids: 2 | Current Bid: £20
Translucent orange amber with midge inclusions. 2.89 grams, 28 mm
From a Norfolk, UK, collection. -
Fossil Vinctifer Comploni Fish in Matrix
Early Cretaceous Epoch, 150-109 million years B.P.Estimate: £40 - 60 (+bp*)
Bids: 1 | Current Bid: £5
On a matrix showing the characteristic elongated scales, an old collector's number 'VP206' on the reverse. 507 grams, 19.2 cm
From Brazil. 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. -
Sand Shark Fossil Tooth Group
Eocene Period, 56-33 million years B.P.Estimate: £20 - 30 (+bp*)
Opening Bid: £5
Comprising various sizes of Otodus obliquus teeth. 26 grams total, 17-39 mm
From a Norfolk, UK, collection. -
![Group of Twenty Nine [29] Large Rock Crystal Quartz Specimens](https://timelineauctions.com/upload/images/items/small/255986-s.jpg)
Group of Twenty Nine [29] Large Rock Crystal Quartz Specimens
Estimate: £40 - 60 (+bp*)
Bids: 1 | Current Bid: £5
Boxed group of mainly prismatic colourless specimens, some twinned and three specimens with dark dendritic inclusions. 2.93 kg total, 45-88 mm
From Brazil. Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's), Harwich, UK. -
Large Polished Ammonite Platter
Jurassic Period, circa 199-145 million years B.P.Estimate: £80 - 100 (+bp*)
Bids: 3 | Current Bid: £25
A circular composite plate of overlapping Cleoniceras sp. ammonites. 583 grams, 22.7 cm
From a Norfolk, UK, collection. -
Large Polished Fossil Orthoceras Specimen Collection
Devonian Period, circa 417-354 million years B.P.Estimate: £30 - 40 (+bp*)
Opening Bid: £5
Comprising three polished teardrop-shaped specimens. 470 grams total, 14-20.5 cm
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. -
![Box of Thirty [30] Individually Boxed and Labelled Realgar Orpiment Specimens](https://timelineauctions.com/upload/images/items/small/256044-s.jpg)
Box of Thirty [30] Individually Boxed and Labelled Realgar Orpiment Specimens
Estimate: £20 - 30 (+bp*)
Opening Bid: £5
Boxed group of red-orange realgar orpiment specimens set on foam bases inside labelled specimen trays. 762 grams total, 18-40 mm
From Getchel, Nevada, USA. Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's), Harwich, UK.
This is a toxic arsenic mineral. -
Polished 'Designer' Fossil Goniatite Dish
Upper Devonian Period, circa 385-359 million years B.P.Estimate: £30 - 40 (+bp*)
Opening Bid: £5
Carved from fossiliferous stone and set with a larger Goniatite specimen. 153 grams, 11.3 cm
From a Cambridgeshire, UK, collection. -
Extinct Otodus Fossil Shark's Teeth Display
Eocene Epoch, circa 53-33 million years B.P.Estimate: £30 - 40 (+bp*)
Opening Bid: £5
Freestanding matrix set with seven Otodus obliquus teeth showing good enamel. 1.94 kg, 16 cm
Ex Cambridgeshire, UK, collection. -
Fossil Iguanadon Dinosaur Vertebra
Early Cretaceous Period, circa 126-122 million years B.P.Estimate: £60 - 80 (+bp*)
Bids: 1 | Current Bid: £5
Caudal vertebra with an elongated body. 880 grams, 94 mm
From Wealden, Bedfordshire, 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.
Iguanadon was a large herbivore with a distinctive thumb-spike and long prehensile fifth fingers that helped with foraging for food. It was the second dinosaur to be formally named based on fossil specimens, and was one of the three genera originally used to define dinosauria.
