Description
1970 UNPAID MAIL SOUTH AFRICA TO LETCHWORTH. Airmail envelope Cape Town to Letchworth Herts, posted unpaid and cancelled CAPE TOWN 24 - V1 1970. On front circular 'T' tax mark, South African boxed instructional 'INSUFFICIENTLY PREPAID FOR TRANSMISSION BY AIR MAIL' and UK '1/6D MORE TO PAY INSUFFICENTLY PREPAID' hand stamp in green. (Ref 113224).
