In Sept 1939 ,all motorcycle exports were banned as well as civillian production ,however in October 1939, exports to the Commonwealth and Empire were authorized,with a total ban on exports to Europe,even though demand was high.In March 1940 ,the Board of Trade released stocks of steel ,aluminium and rubber,for the manufacture of 30,000 motorcycles for export...so its likely any further production was 1940 models,until the new 1945 or 1946 models came out. .....Jones Panther Book