Fontainebleau, France
Oligocene, 30-40 Million Years Ago

20 1/8 x 24 5/8 x 7 1/8 in. (51.1 x 62.5 x 18.1 cm)

A particularly well-preserved example of a sandstone concretion is on display at the Smithsonian Institution National Museum of Natural History in Washington D.C.

Priority Bidding is here! Secure a lower Buyer's Premium. Learn more >

ø- Please note that Phillips will accept Cryptocurrency payment from the successful bidder for this Lot. Please also read the Additional Conditions of Sale Applicable to Cryptocurrency Payments.