Comprising variously shaped polished pebbles displaying attractive light coloured banding. 500 grams total, 21-46 mm



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

From Mammuthus Primigenius, showing the neural arch, inked collection number '83' to the body, metal tag with '1090'. 1.73 kg, 30 cm



Dredged by a fisherman of the Dutch coast. From the private collection of Kenneth Machin (1936-2020), Buckinghamshire, UK; with collection no.VM83; his collection of antiquities and natural history was formed since 1948; thence by descent.

Cut through the centre to expose the internal gas chambers. 100 grams total, 57 mm each



From a Lincolnshire, UK, collection.

A rare wind-rounded pebble in a hollowed out 'nest', nestled within a larger nest; in a hessian draw-ribbon gift pouch. 970 grams total,13 cm



From the Kalahari Desert, Southern Africa. Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's), Harwich, UK.

Each freestanding and displaying attractive banding to the polished face. 1.28 kg total, 8.8-11.5 cm



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

Cut half Cleoniceras sp. ammonite, polished to reveal the distinctive structure of the chambers, some iridescence to the outer shell. 108 grams, 10.4 cm



From Madagascar. 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.

Displaying variously sized crystals. 310 grams, 80 mm



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

Comprising ten encapsulated specimen cards with meteorite fragments from: Chinga Meteorite, Russia; Gibeon Meteorite from Namibia; fragments from Namibia/Botswana; and Kalahari Plateau, Africa. 90 grams total, 30 x 22 cm



From Applause, Inc., California, USA. 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.

Comprising two translucent polished slices with black and orange banding. 104 grams total, 72 mm each



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

On an amethyst geode matrix; the metal branches tipped with polished light-coloured amethyst pebbles. 613 grams, 16 cm



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

A large irregular boulder displaying some good lustre. 4.54 kg, 18 cm



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

Wind-rounded pebbles in a hollowed out 'nest'; each in a hessian draw-ribbon gift pouch. 675 grams total, 68-86 mm



From the Kalahari Desert, Southern Africa. Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's), Harwich, UK.