3852
Fossil-Bearing Stone Slab: Orthoceras & Ammonites
Sold
$250
Timed Auction
Railroad Crossing Discovery Auction: Closing September 6th, 2023
Category
Description
Devonian Period, about 420-360 Ma, likely from Morocco: Black marble and calcite, the more complete fossils polished to reveal the shell structure, 11 1/2 x 15 in., approx. 1 in. thick.
Provenance
From the collection of William J. Tudor, Baltimore, MD.
