South Africa 1929-31 1s brown and deep blue and 2s6d green and brown Officials, recess printing, matching lower left corner blocks of 4, each with R10/1 showing printing variety stop after "OFFICIAL", SGO10a, O11a.
Very fine mint matching blocks with original gum. The 1s block is unmounted mint.
A scarce and attractive pair of positional multiples both showing matching varieties.
The 1 shilling stamps feature a black and blue Wildebeest and the 2s6d stamps feature an Ox-wagon Inspanned.
The Stanley Gibbons catalogue value is £650+.
