South Africa 1926-1927 King George V ½d. black and green. South East corner block of 6. Major errors, ‘Vignette partially omitted (in first pair with normal), vignette omitted (in second pair with normal), vignettes partially omitted in both stamps in third pair. The omitted vignettes have been printed on the “fold over” on the reverse which is how the error occurred. Additional “ghost” impressions of the vignette surrounds and a Frame Plate diagonally across the front of the front of the block coincident to the printing of the vignettes in black on reverse. Superb unmounted mint condition. A MAGNIFICENT AND EXCEPTIONALLY RARE EXHIBITION PIECE.