Ancient Art, Antiquities, Books, Natural History, Stamps & Coins

Regular quartz crystal with natural internal colouration from aluminium impurities. 547 grams, 92 mm



From Brazil. Property of a Bristol, UK, gentleman collector.

Geode section with large prismatic quartz crystals bonded with a metallic coating displaying vibrant iridescence, accompanied by a custom-made display stand. 1.81 kg total, 28.5 cm including stand



From Brazil. Property of a Bristol, UK, gentleman collector.

Large curving tooth of Mosasaur prognathodon with some root; repaired. 160 grams, 12.5 cm



From a Cambridgeshire, UK, collection.

The Mosasaur is an extinct, large marine reptile dinosaur with an elongated body, long snout and paddle-like limbs. Found worldwide, they competed with other well-known sea predators of the Late Cretaceous, such as plesiosaurs and ichthyosaurs, for food, existing primarily on a diet of ammonoids, cuttlefish and fish.

Comprising eight differently sized bone fragments from different bone structures. 133 grams total, 38-90 mm



Acquired on the UK art market. Property of an Essex, UK, gentleman.

The Spinosaurus was both a beachcomber-type scavenger and an active hunter, taking small stranded Plesiosaurs, Pterosaurs, turtles and large fish; adults weighed up to 21 tonnes and grew up to 18 meters long.

From Mammuthus primigenius, showing interlocking vertical plates. 45 grams total, 9.6-17.5 cm



From Doggerland, the now-disappeared land bridge between the UK and the Netherlands. Dredged from the North Sea by Dutch fishermen. Property of a Bristol, UK, gentleman collector.

With seven Otodus obliquus teeth mounted on a synthetic or matrix base. 3.73 kg, 19.5 cm wide



Ex Cambridgeshire, UK, collection.

A triangular polished geode section displaying green, pink and brown colours, lined with small prismatic light and dark purple amethyst crystals; mounted on a custom-made display stand. 3.48 kg total, 28.5 cm including stand



From Artigas, Uruguay. Property of a London lady.

Two rounded pebbles, the left specimen Dactylioceras tenuicostatum, the one on the right Dactylioceras commune or athleticum. 789 grams total, 88-95 mm



From Sussex, UK. The present part of the collection was gifted to their good friend and Haselmere Parish Priest, Charles Borelli (c.1914-2000) of Farnham, who was part of the Borelli family from Italy who emigrated from Lake Como in 1828 to set up the Borelli family watch and jewellery business; thence by family descent to his nephew.

Comprising one lettuce coral specimen and three mushroom coral specimens. 1.19 kg total, 10.4-33 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.

Comprising: 'peacock' ore, rose quartz, hematite, azurite with malachite, a polished 'green opal dragon egg', desert rose, quartz pebble with a polished 'window', actinolite, galena in quartz, a glass vial of Himalayan quartz. 685 grams total, 16-68 mm



From the collection of Mr Carlos Bahamonde, Manchester, UK.

Comprising two large Otodus obliquus teeth. 48 grams total, 54-57 mm



Ex Cambridgeshire, UK, collection.

Fragmentary section of a jaw, set with six teeth. 209 grams, 18 cm



From a Cambridgeshire, UK, collection.

The Mosasaur is an extinct, large marine reptile with an elongated body, long snout and paddle-like limbs. Found worldwide, they competed with other well-known sea predators of the Late Cretaceous, such as plesiosaurs and ichthyosaurs, for food, existing primarily on a diet of ammonoids, cuttlefish and fish.