The Caproni-Reggiane Re.2000 Falco I was an Italian all metal, low-wing, monoplane with a Curtiss-style retractable undercarriage, used in the first part of World War II. This lightly built and highly maneuverable interceptor/fighter, similar to the Seversky P-35, flew for the first time in 1939. It proved a technically advanced aircraft, well balanced and extremely aerodynamic, but not without its faults.
Although potentially superior to Italian contemporary fighters (Fiat G.50 and Macchi C.200), the Re.2000 was not considered satisfactory by Italian military authorities. Consequently, the manufacturer built it for export and almost all of the first production served with the Swedish Air Force and Hungarian Air Force, rather than in the Regia Aeronautica (Italian Air Force).
Source: Wikipedia, "Reggiane Re.2000", available under the CC-BY-SA License.