AMBER-ENCASED INSECTS: Ancient fossilised tree resin with the larger pieces containing fossilised insects, formed into a necklace. Very 1970s! [Amber has been appreciated for its colour and natural beauty since Neolithic times] (Image1)

Estimate AU$1,500

CAVE BEAR PAW: Pleistocene epoch (2.6 million -24,000 years ago) fossilised paw, 29x20cm, 625 grams, unearthed in Russia. [Cave bears, scientific name Ursus spelaeus, became extinct about 24,000 years ago] (Image1)

Estimate AU$2,800

CAVE BEAR JAW: Pleistocene epoch (2.6 million -24,000 years ago), fossilised jaw with four grinding teeth & a massive death tooth, about 26x8cm, unearthed in Russia. [Cave bears, scientific name Ursus spelaeus, became extinct about 24,000 years ago] (Image1)

Estimate AU$1,000

FOSSIL FISH: Eocene (56-34 million years ago), Priscara species, from Green River Formation, Kemmerer, Wyoming, USA, 30x25cm. A beautiful piece of natural art with exceptional detail. (Image1)

Estimate AU$1,500

FOSSIL PALM: Oligocene epoch (34-23 million years ago), Palmoxylon species, from Surulangun, South Sumatra, Indonesia, 36x27cm, about 7kg. (Image1)

Estimate AU$200

FOSSIL WOOD: Jurassic (200-145 million years ago), from Miles, Queensland, 43x29cm, about 1.4kg. Attractive polished specimen. (Image1)

Estimate AU$600

ICHTHYOSAUR VERTEBRAE: Cretaceous (250-90 million years ago), fossil flanked by two pieces of Mookaite, found at Mooka Station, Gascoyne, Western Australia, about 18x14cm. [Ichthyosaurs (Greek for "Fish lizard") are large extinct marine dinosaurs] (Image1)

Estimate AU$1,000

MOSASAURUS: Upper Cretaceous (100-66 million years ago), part-fossilised jaw with two teeth, from Khourigba, Morocco, about 17x12cm. [Mosasaurs are an extinct group of aquatic squamate reptiles] (Image1)

Estimate AU$380

OPAL SHELL: Cretaceous Period (145-66 million years ago), from Coober Pedy in South Australia, completely opalised with lovely irridescence, 6 grams. Very attractive. [Coober Pedy is known as the "opal capital of the world", and has supplied most of the world's gem-quality opal since it was first discovered in 1915] (Image1)

Estimate AU$2,000

TYRANNOSAURUS REX TOOTH: Cretaceous Period (70-66 million years ago), 41mm long, from Hell Creek Formation in North Dakota, USA. Beautiful. [Tyrannosurus Rex is the best-known and most beloved dinosaur and has been featured in film, advertising, postage stamps and many other media] (Image1)

Estimate AU$2,000