WGB
"Unrelated to the guide dot is another dot that appears in the top of the frame above the right crown in 10 subjects in the top half of plate 1 and in 3 subjects in the lower half: 1UR45, 46, 55 to 59, 66, 68 and 69; 1LR85, 86 and 87.
WGB
The item shown could be any of the 13 positions Marler listed.