1916, 1/2 C to 5 C on 100 R blue/black, complete set with four values, tied by pen-stroke, together with Mocambique 5 C red war-tax stamp, rouletted, on registered cover addressed to Durban in South Africa. On the frontside provisional hand-drawn registration cachet with numeration '242' and twice censored with circular 'Passou Pela Censura - Lourenco Marques' along with circular 'Passou Pela Censura - Expedicao a Mocambique', on reverse hexagonal transit dater LOURENCO MARQUES CENTRAL 'R', 24.9.16, besides boxed registration handstamp 'R-EGISTADO / Lourenco Marques Central' in red. The 5 C stamp with round corner, envelope slightly reduced at top and folds not affecting stamps, else F/VF condition. EXCEPTIONAL RARITY - only very few registered covers are recorded! (Image)