Interesting!
Paul Allen's plane collection: 
-- Curtiss Wright JN-4D Jenny, built in the U.S. in 1918. 
-- Messerschmitt Bf 109E-3, built in Germany in 1939. 
-- Polikarpov I-16 Type 24 Rata, built in Russia in 1940. 
-- Vickers-Supermarine Ltd. Mk.VC Spitfire, built in England in 1940. 
-- Curtiss Wright P-40C Tomahawk, built in the U.S. in 1941. 
-- Nakajima Ki-43-1b Hayabusa, built in Japan in 1942. 
-- Polikarpov U-2/PO-2, built in Russia in 1944. 
-- North American Aviation P-51D Mustang, built in the U.S. in 1945. 
-- Fieseler Fi-156-C2 Storch, built in Germany in 1943. 
-- Fieseler Fi-103/V-1 "Buzz Bomb," built in Germany in 1945. 
-- Fieseler Fi-103R Reichenburg, built in Germany in 1944. 
-- Grumman F6F-5 Hellcat, built in the U.S. in 1945. 
-- Republic P-47D Thunderbolt, built in the U.S. in 1945. 
-- Boeing B-17E "Flying Fortress," built in the U.S. in 1942; in restoration, with some parts of plane being shown. 
-- Nakajima A6M5 Model 52 Zero-Sen, built in Japan in 1944, on display in unrestored condition. 
-- Hawker Hurricane Mk. XIIB, built in England in 1942, slated to join collection later this summer. 
Source: Flying Heritage Collection