This is a lot of 4 (four) specimens of shale that contain fossil leaves. These specimens originate from Mississippian (approx. 320 to 359 million years ago) deposits in Oklahoma, USA. The exact species of the leaves is not yet identified.
Refer to the photo. The black centimeter cube is shown for scale and is not included. You are purchasing all of the specimens shown. Your purchase will include an ID label.