Cover with fine strike of oval FAUMAMANU POSTAL AGENCY MALAITA IS. B.S.I.P. 'Crown' originating cancel dated 21 MAR 1975 in black with additional ROKERA POSTAL AGENCY MALAITA IS. B.S.I.P. 'Crown' cancel dated 18 APR 1975 in black alongside, franked with 1974 4c 'UPU' and 4c 'New Constitution' QE2 issue (SG 258 & 262) tied in transit by HONIARA cds. Addressed to USA. Unusual.