Rarely Offered Pennsylvanian Trilobite Ditomopyge

Pennsylvanian aged trilobites are uncommon and this species Ditomopyge olsoni doesn't come up for sale very often. I've heard that all of the collecting localities where these used to be found are no longer accessible. This is a sweet double specimen, each about .7 inches in length. The brown shell contrasts very well with the dark grey matrix.