Polished Fossil Orthoceras Coaster Set

拍品描述

Devonian Period, circa 417-354 million years B.P. Comprising six circular coasters, the Orthoceras have been polished through the shell to reveal the calcite preserved inside and showing the dividing gas chambers known as suture patterns. 682 grams, 91 mm wide (3 5/8 in.). [No Reserve] From a Cambridgeshire, UK, collection. TimeLine Auctions follows a rigorous 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. See our website for more information.

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