The section of Placenticeras costatum from the upper Cretaceous, Bearpaw formation (75-72 million years ago), showing strong iridescences of red, orange, green, blue.
912 x 834 x 3in. (24.1 x 22.3 x 7.6cm.)
Special notice
Please note this lot is the property of a consumer. See H1 of the Conditions of Sale.
Brought to you by

Related Articles

Sorry, we are unable to display this content. Please check your connection.

More from
Sculpted by Nature: Fossils, Minerals and Meteorites
Place your bid Condition report

A Christie's specialist may contact you to discuss this lot or to notify you if the condition changes prior to the sale.

I confirm that I have read this Important Notice regarding Condition Reports and agree to its terms. View Condition Report