A magnificent, full three-dimensional fossil skull of a juvenile Mosasaur Prognathodon with upper and lower mandibles, eye sockets and brain cavity; including jaw teeth and throat teeth; some restoration; with custom-made display stand. 4.1 kg total, upper skull: 43.5 cm long



From Morocco, West Africa. Ex 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.

A rounded geode section lined with small prismatic amethyst crystals, to the centre a multi-layered calcite rosettes with druzy hematite; mounted on a custom-made display stand. 4.1 kg total, 17 cm high including stand



From Artigas, Uruguay. Property of a London lady.

Round geode section with polished edges, lined with dark purple amethyst crystals; mounted on a custom-made display stand. 6.24 kg total, 28 cm high including stand



From Artigas, Uruguay. Property of a London lady.

A geode section with highly polished edges showing contrasting agate bands, inside lined with small grey quartz crystals, hexagonal formation of colourless to light grey quartz crystals, and intergrown calcite to one side; mounted on a custom-made display stand. 8.75 kg total, 28.5 wide including stand



From Artigas, Uruguay. Property of a London lady.

A coffee bean-shaped polished geode section showing contrasting agate bands on the edges, showing a thick layer of white and clear quartz with druzy amethyst and rose quartz on the internal surfaces; mounted on a custom-made display stand. 2.68 kg total, 26 cm including stand



From Artigas, Uruguay. Property of a London lady.

A rounded geode matrix with undulating peaks of brown and white druzy quartz; mounted on a custom-made display stand. 5.27 kg total, 25.5 cm wide including stand



From Artigas, Uruguay. Property of a London lady.

A heart-shaped geode section with highly polished obverse showing some brown and grey agate, as well as translucent quartz, the internal cavity lined with botryoidal formation with druzy pink quartz; mounted on a custom-made display stand. 3.1 kg total, 31 cm including stand



From Artigas, Uruguay. Property of a London lady.

An intergrown mass of pyrite crystals, some polished to a high-sheen, remains of matrix to one side; mounted on a wooden display base. 1.46 kg total, 13.3 cm including stand



From Peru. Property of a London lady.

A cut and polished geode section showing attractive banding on the polished surfaces, the inside lined with brown druzy quartz forming an undulating 'landscape'; to the left a wide blade-like formation of druzy white quartz; mounted on a custom-made wooden display stand. 10.49 kg, 32.2 cm wide including stand



From Artigas, Uruguay. Property of a London lady.

A cut section of green celadonite geode with white quartz crystals to the outer wall, the internal wall lined with radiating clusters of prismatic amethyst and quartz crystals; accompanied by a custom-made display stand. 2.4 kg total, 34.5 cm including stand



From Artigas, Uruguay. Property of a London lady.

Modelled striding on an oval base, wearing a long kilt, broad collar, short wig and tall headdress, his right hand raised and touching the headdress; remains of suspension loop behind the headdress. 21.4 grams, 71 mm



From the collection of a gentleman, acquired on the London art market in the 1990s.

The raised arm of this figure would originally have held a spear characteristic of Inhert.

Proof etching on laid paper of plate 39 from Vol.II of Description de l'Égypte : ou, Recueil des observations et des recherches qui ont été faites en Égypte pendant l'expédition de l'armée française. entitled Thèbes. Memnonium. Plan et coupes d'un grand hypogée ou syringe. Détail de sculpture d'un autre hypogée. Plan et coupes d'un édifice avant un plafond en form de voûte. 200 grams, 103.5 x 69.5 cm



From the collection of a North American priest. Acquired between 1981-1996. Property of a North American collector.

Produced between February 1802 and 1830 on the orders of Napoleon Bonaparte; published between 1809 and 1828. Just 1,000 copies were distributed to various institutions, printed on laid paper with an 'Égypte ancienne et moderne' watermark. The book is subtitled Recueil des observations et des recherches qui ont été faites en Égypte pendant l’expédition de l’Armée française, publié par les ordres de Sa Majesté l’Empereur Napoléon le Grand (Gathering of observations and discoveries which were made in Egypt during the expedition of the French army, published on the orders of His Majesty the Emperor Napoleon the Great). It was the world's first encyclopedia devoted exclusively to the remains of ancient Egypt. The plates of this book are the first to present the archaeological sites of Thebes (Luxor).