The guide dot in the West margin West of the West oval ornament is doubled the two dots lie side by side East and West.
Kershaw's notes
There are three strong guide dots associated with the LH frame. The centre dot is oblong and there is no LH oval guide dotThe central guide dot left of the LH frame is oblong
Morel's notes
Three large guide dots in left margin (top, center and bottom)No oval dotsvisible.
Stamps from printing orders 1 to 5A were perf. 11.75, stamps from printing orders 5B to 7 were perf. 12 x 11.75 and those from printing orders 8 to 12 were perf. 12.