1d. on 3 pfg. and 1d. on 5 pfg., two singles each together with regular issua 1d. on 5pfg., all tied by Gibbs Type 10 canceller in black "RABAUL 25 OC 19" to registered cover to London with transit cancel "REGISTERED SYDNEY 6 DE 19" and London arrival, one value small small paper abrasion at bottom, otherwise fine and rare