TANZANIA 1966 (FDC) ANNIVERSARY OF TANGANYIKA-ZANZIBAR UNION
Anniversary of Tanganyika-Zanzibar Union set on illustrated, redirected cover with REG, ZANZIBAR circular cancels dated 26 AP 66, the first day of issue. Generally fine. SGZ142-Z145; SC331-334
Note: the issue was only on sale in Zanzibar despite bearing the Tanzania country name
