Polished Dactylioceras Ammonite Stone

A highly polished dactylioceras tenuicostatum nodule I found along the north Yorkshire coastline. 

Dating back to roughly 186 million years ago these iconic Yorkshire ammonites are truly a thing of beauty and perfectly complimented with a highly polished exterior that is just so beautiful to hold. 

nodule size is roughly 100 mm x 90 mm