South Africa Official 1950-4 1 1 1/2d ARROW and VARIETY BLOCK of 4 SG.O44 VFM

South Africa Official 1950-4 1 1 1/2d ARROW and CRUCIFORM VARIETY in BLOCK of 4 with issue 10 characteristic gold smudging on margin SG.O44 (stated to be Set 25) VFM variety UM