British New Guinea coins all had holes in them so that the residents oould thread cords through the holes and carry coins without using purses. British New Guinea Six Pence 1935 - George V The scripted "GRI" is "Georgius Rex Imperator" British New Guinea Shilling 1935 - George V British New Guinea Penny 1936 - Edward VIII One of the few coins issued for the "King for a Year". They didn't need his portrait for the coin because of the hole. The scripted "ERI" is "Edwardus Rex Imperator". British New Guinea Shilling 1938 - George VI British New Guinea Penny 1944 - George VI British New Guinea Three Pence 1944 - George VI British New Guinea Six Pence 1943 - George VI British New Guinea Shilling 1945 - George VI I suspect that the silver shillings in nice shape were brought to Australia or the US by servicemen returning from World War II.
When did GB cease minting coins for BNG? 1945. Australia took over the eastern part of the island in 1945 under the Territory of Papua-New Guinea. The Netherlands held the western part at that time.