British East Africa. (Zanzibar). 1932. Envelope addressed locally bearing Zanzibar SG 299, 1c brown tied by Zanzibar double ring '20th Sept' , underpaid with hand-stamp 'T' in circle and bearing Zanzibar postage due SG D18, 2c black/ Salmon (2) and SG D 21, 6c black/ yellow tied by Zanzibar receiver. Very attractive.