Pacific Ocean, Micronesia and Solomon Sea: Caroline Islands and Solomon Islands; four items on one sheet: item 1, 'Choiseul Island'; item 2, 'Bougainville Strait' both by Lt C F Oldham, HMS Lark, 1884, showing 'Choiseul Bay', 'Cyprian Bridge Island', 'Masamasa Island' and 'Oema Island'; item 3, 'Approaching Manning Straits from NW' (Choiseul Island), annotated, showing 'Lina Island' and 'Towra Peak'; item 4, 'Entrance to Port Lele (Strongs Island, Kosrae or Kusaie)' and 'Strongs Island (Peak W by S1/4S) 20 Miles' by Denton H Speer, Acting Master, HMS Serpent, showing 'Marteus Mount'.