SG91
SG91a
1862 - Green - with hairlines -IMPERFORATE - Plate 3. There are no known perforated stamps
Watermark
Emblems
Watermark
Showing the watermark as seen on the reverse of the stamp.
PLATE #'s
#91 comes from plate 3.The plate numbers on the stamps were printed in error.
Panes
Wing margin stamps come from the center part of the sheet. In the pane shown above the left column of stamps have wing margins, There is no such thing as a straight edge perforated stamp in GB stamps.
Essays and proofs
Imprimatur
Surface Printed - with small letters
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