British Honduras. (Zanzibar - Postage Due). 1954. Envelope addressed to Zanzibar bearing British Honduras SG 180, 2c grey and brown and SG 181, 3c reddish violet and purple tied by oval Gales Point/ R.H. rubber date stamp 'Mar 14 195(4)', underpaid with circular 'T/48' on face and bearing Zanzibar postage due 'SG D25, 5c violet, SG D26, 10c scarlet and SG D30, 1s grey/ green tied by Zanzibar double ring '12th Jy 54'.
Very nice combination of postage due mail from British Honduras to Zanzibar with unrecorded Tax 48 cents hand-stamp, not under Zanzibar or British Honduras in Proud.