RB/GM
Not in Marler: No notes for this position provided by Marler. A very faint dot in the margin, just above the upper right corner and the faint extension of the bottom line of the right numeral box to the frame may be constant markings.
Plate Position: 87LR21
Marler Type:
Type E
RB/GM
While not discussed in his book, Marler's personal collection had additional CPVs, usually with multiple examples.