Can you spot the Cape gannet (sea bird) that looks a little different from the other seven, in the block of stamps below?
There was a flaw in the printing plate for this sheet of 5c stamps from 1974.
On one of the stamps, some of the gray and blue ink is missing.
Issued Nov. 11, 1974
Design: Ernst de Jong |Perf. 12½ |Engraving & Photolitho. |Phosphorized paper |No wmk
SA Color Catalogue #363 |5c |Multicolored |Cape gannet (Morus capensis)