With narrow rounded butt and broad curved cutting edge. 1.28 kg, 28.5 cm



From a collection acquired on the UK art market from various auction houses and collections mostly before 2000. From an important Cambridgeshire estate; thence by descent.

An Oceanic fish lure comprising a polished shell body and a carved hook attached to the reverse with twine. 12.9 grams, 81 mm



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.

Such lures were not used with bait but were dragged behind a fast-moving canoe to attract the prey with the abalone shell glinting in the sun to emulate the scales of a fish in order to attract larger fish.

A section of the end of Mammuthus primigenius leg bone, showing the internal structure of the bone. 630 grams, 15.5 cm



From the North Sea. Acquired on the UK art market before 2000. Property of an Essex, UK, gentleman.

Comprising two Mosasaur prognathodon sp. teeth; one repaired. 75 grams total, 53 - 57 mm



From a Lincolnshire, UK, collection.

Mosasaurs (from the Greek for 'lizard') were aquatic dinosaurs which probably gave birth to live young.

Comprising a pair of coprolites. 290 grams total, 74-79 mm



From the Wilkes Formation, Salmon Creek, Lewis County, Washington, USA. Acquired during the 1980s. From an old Lincolnshire, UK, collection.

Comprising two specimens on matrices. 218 grams total, 77-97 mm



From Brazil. From a Lincolnshire, UK, collection.

Mammuthus primigenius tusk fragments. 259 grams total, 4.7-14 cm



Found North Sea, UK. Ian Wilkinson collection, Nottinghamshire, UK, formed since 1985.

Comprising a section of Mammuthus primigenius humerus bone; mounted on a custom-made display stand with an information ticket. 1.22 kg total, 24 cm high including stand



From the North Sea. From a Lincolnshire, UK, collection. Property of a Cambridgeshire, UK, gentleman.

A montage of six different trilobite fossils set in a bowl-shaped matrix. 1.74 kg, 22.5 cm



From a Cambridgeshire, UK, collection. Property of a Cambridgeshire, UK, gentleman.

Opened and in two halves, showing the internal cavity encrusted with variously sized crystals in enhanced hot pink colour. 1.2 kg total, 9.4-11.7 cm



From a Cambridgeshire, UK, collection.

The nodule split in half to expose the cavity filled with dyed blue crystals. 142 grams total, 47-53 mm



From a Cambridgeshire, UK, collection. Property of a Cambridgeshire, UK, gentleman.

Gryphaea arcuata Lamarck showing good detail, a small oyster shell attached to the lower end. 167 grams, 69 mm



From Conersby Quarry, Scunthorpe, Lincolnshire, UK. Ex old British collection. From a Leicestershire, UK, collection. Accompanied by a copy of an illustrated information sheet.