Not in Marler: A vertical row of several dots inside the frame at the upper left.
Reiche No. 9 "two very short scratches top left margin and a line of dots in left top spandrel space, probably from Plates 38 or 39."
There are several positions which show very similar varieties. These will be added at a later date. Not all of these CPVs are Marler type 12, which are found on plates 46 to 49 and 52 to 53.