Promo !
1926 London printing of the 1d black and carmine (SG31, SACC 30L)
1926 London printing of the 1d black and carmine (SG31, SACC 30L) in right bottom marginal corner block of four with perforation through right margin and 1927 Pretoria printing of the 1d black and carmine (SG31, SACC 30P) in right bottom marginal corner block of four with no perforation through right margin.
