Showing the watermark as seen on the reverse of the stamp.
Plate #
Printed Plate 1 235,440 stamps Issued 77,620 stamps (the balance were destroyed)
Proofs
Imprimatur
Registration Dates
Plate 1 5 Apr 67 (when printed as blue)
Die Proof
For the 1867 Paris Exhibition
Die Proof
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.