Accumulation of 1960s inter-island mail to commerce house in Honiara, noted 1d Printed matter through to 3d Airmail rates, some originating at Auki, Gizo, Kirakira, Munda and Yandina, sighted uncommon P.O. applied 'WORLD UNITED/AGAINST MALARIA' handstamps, typical commercial quality (approx 250)