Natural History - Porphyry Cut Slice Group

3 3/8 - 6 1/4 in. (244 grams total, 8.5-16 cm).

A group of ten porphyry slices of irregular shapes, cut and polished on both sides, probably recycled material mined in ancient Roman times. [10, No Reserve]

Provenance

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

CONDITION

VETTING:

TimeLine Auctions follows a vetting process to ensure the authenticity and legality of all items, reinforcing our commitment to integrity and responsible trading. Each antiquity, antique, and coin lot undergoes thorough examination by a vetting committee of at least ten external specialists, professional trade association members, scientists, and archaeologists: Our Vetting Process

AUCTIONS:

TimeLine is a leading auction house specialising in antiquities, ancient art, collectables, natural history, coins, medals, and books. Our auctions offer museums, collectors, historians, and enthusiasts the opportunity to acquire unique and historically significant pieces.

LOT 1841