This is a used copy of C2 with a light cancel. A mint copy of C6 is hinged, with only Fine centering. Here is a mint copy of E2. It has a light hinge mark, and even though the stamp is very large, the centering is just Fine. Here are some miscellaneous US mint and used.
Scans are available on request.
116 used, nice cork cancel. 116 used, heavy cancel on one corner. F-VF centering, very small tear on right side. Huge stamp, centered high to the top and right. Beautiful stamp and cancel.