With two lightly polished and laquered cut faces showing the internal structure of the specimen, approximately 40 mm thick. 2.88 kg, 21.5 cm



From Egypt. Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's), Harwich, UK.

Comprising two Goniatite sp. specimens, each polished to show internal structure. 201 grams total, 73 mm each



From Atlas Mountains, Morocco, North Africa. From a Cambridgeshire, UK, collection.

Comprising deep purple pyramidal crystals on a matrix; laboratory grown. 34.8 grams, 47 mm



Acquired from the Bakewell Show, UK, 7 October 2000. 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.

Composed of large reclining cat amulets interspersed with facetted cylindrical beads; restrung. 140 grams, 72 cm



Ex West country, UK, collection, 2000s.

Goniatite sp. showing some internal walls. 515 grams, 12.2 cm



From Morocco, North Africa. 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.

Each specimen set on a foam insert within a labelled box. 387 grams total, 20-31 mm



From Getchel, Nevada, USA. Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's), Harwich, UK.

Comprising two Mosasaur prognathodon sp. teeth set on individual composite matrices. 726 grams total, 10.6-11.8 cm



From Germany. From a Cambridgeshire, UK, collection.

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

Tympanic bone from the inner ear of a whale. 500 grams, 13.2 cm



From the private collection of Kenneth Machin (1936-2020), Buckinghamshire, UK; with collection no.VM98; his collection of antiquities and natural history was formed since 1948; thence by descent.

Comprising three Onchopristus numidus sawfish rostral teeth. 48 grams total, 48-60 mm



From a Cambridgeshire, UK, collection.

Comprising the curved tip of a horn, possibly from aurochs, an extinct species of bovine. 550 grams, 16.5 cm



From Worcester Terrace Gravels, Eckington, Worcestershire, UK. Acquired from Milton Keynes Geological Society in 1999. From the private collection of Kenneth Machin (1936-2020), Buckinghamshire, UK; with collection no.VM91; his collection of antiquities and natural history was formed since 1948; thence by descent.

A freestanding section of petrified wood showing attractive banding, some bark detail to the outer edge. 710 grams, 96 mm



From Atlas Mountains, Morocco, North Africa. From a Cambridgeshire, UK, collection.

An opened nodule lined with dyed purple quartz crystals. 104 grams total, 55-56 mm



From a Cambridgeshire, UK, collection.