Of natural form with cavities to the layers of concretions, from the Oligocene (circa 30 million years ago), supported on stand.
20 x 8 x 7in. (51 x 20 x 18cm.)

Please note this lot is the property of a consumer. See H1 of the Conditions of Sale.

Conditions of Sale
FAQs
This lot is offered by Christie Manson & Woods Ltd

Brought to you by

James Hyslop

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

jhyslop@christies.com +44 207 752 3205