1950 – 1952 1s brown and chalky blue (SG120, SACC 119) cylinder block 6926 6935 and 1s blackish brown and ultramarine (SG120a, SACC 119a) cylinder block 6926 6935 with larger bottom margin, unmounted mint/mint and catalogued £ 50 (2021) and R 1 200 (2019).
