Natural History - Large Shark Teeth Group

Upper Palaeocene, Thanetian Stage, circa 56 million years B.P.. From Otodus obliquus Agassiz 1843 (mackerel shark). 234 grams, 79 mm (3 1/8 in.). From the Ouled Abdoun Basin Formation (Phosphate beds)

A group of five polished mineral 'eggs' in onyx, banded agate, serpentine(?"). 1.3 kg total, 69-80mm (2 3/4 - 3 1/4"). Ex Thompson collection, Devon, UK. [5, No Reserve]

Eocene Period, 56-33 million years B.P. Comprising four Otodus obliquus vertebrae. 387 grams total, 75-87 mm (3 - 3 3/8 in.). From a Cambridgeshire, UK, collection.[4, No Reserve]

A group of twenty chunks of red calcite with waxy lustre. From the historic ‘Victorian Museum’ or later collection of Gregory, Bottley & Lloyd (Gregory's); formerly Gregory, Bottley & Co. (1932-19

A group of pyrite specimens with well-formed crystals ranging in size; some on a matrix. From Peru; from the historic ‘Victorian Museum’ or later collection of Gregory, Bottley & Lloyd (Gregory's)

Large group of cut and polished rocks and geode slabs. Sizes range from 2" to 9".

Large group of petrified wood, rock and crystal specimens in shades of pink and brown. Sizes range from 1 1/2" to 9".

A graduated group of oblate amber beads. 100 grams, 32cm (12 3/4"). Property of a London gentleman; acquired from his father's collection.

A graduated group of oblate amber beads. 78 grams, 39cm (15 1/2"). Property of a London gentleman; acquired from his father's collection.

Devonian Period, 417-354 million years BP. A large group of specimens of Gissocrinus goniodactylus Crinoid stem sections from Devonian Period of Morocco. 1.13 kg total, 10-65mm (1/4 - 2 3/4"). From an

Carboniferous Period 359-299 million years BP. A group of three large diameter (up to 33mm) crinoid stems, in white card trays with A.B. Cotterill Collection, Wollaton, Nottingham, UK, labels. 271 gra

Various locations, c. 20th century; A framed taxidermy mount of a fruit bat (Rousettus Leschenaulti); skin of a Gila Monster; skull of a Muntjac; set of jaws from a large Ray (Guitar Fish); two turtle

. A mixed group comprising: a galena block from Spain; a celestina block from Sicily; a large scalenahedral calcite crystal from Rumania; a block of cubic octahedral pyrite from Peru. 948 grams total,

Art by God. A natural history crystal quartz mineral specimen. Deep purple cathedral amethyst geode. Large maw like opening to front, giving the impression of an emerging shark's head with smaller ope

Comprising lacquered porphyry slice of irregular shape, cut and polished on one side, probably recycled material mined in ancient Roman times between the 1st and 5th century A.D. 917 grams, 28 cm (11

A large natural history southern slider turtle shell. Full hollow semi-aquatic shell from turtle indigenous to the Southeastern United States. Rich natural brown and beige palette. In natural state wi

Miocene Period, circa 25 million years B.P.. Composed of several fossil sea urchins or sand dollars in a matrix. 4.6 kg, 34.5 cm (13 5/8 in.). From France.

Eocene Period, circa 56-33 million years B.P. The large sandstone matrix with five Knightia alta specimens. 8.25 kg, 50.5 x 38 cm (19 7/8 x 15 in.). From a Lincolnshire, UK, collection. In southwest W

6th-4th millennium B.C. Formed in a translucent, amorphous lump with possible inclusions. 285 grams, 12 cm (4 3/4 in.). Acquired UK market. Property of a Kent collector. [No Reserve]

Found 2022 A.D. The cut and polished slice held in a custom-made collector's display box. 51 grams total, 84 mm wide including case (3 3/8 in.). From the Sahara Desert, North Africa. Property of a Sus

Jurassic Period, 199-145 million years BP. A sedimentary slate(?) matrix with two large examples of the psiloceras ammonite and numerous others. 28 kg, 75cm (29 1/2"). From an important London collect

Found Sahara 2006 A.D.. Comprising ten variously sized samples. 17.6 grams total, 15.3-19.4 mm (1/2 - 3/4 in.). Ex Adrian Contreras, Crater Meteorites, Spain.Property of an East Sussex, UK, gentleman.

With seal of the Spanish Ministry of Culture. Printing on large size photo paper. Provenance: former private collection of a collector and renowned Barcelona doctor, Barcelona. Liquidation of family i

With seal of the Spanish Ministry of Culture. Printing on large size photo paper. Provenance: former private collection of a collector and renowned Barcelona doctor, Barcelona. Liquidation of family i