Morning clue. Thanks; Ernie P.
What warbird do I describe?
1. This was a significant aircraft.
2. Not only for the owning nation, but within the world aviation community.
3. Between 50 and 100 were built.
4. It was armed with three guns.
5. Two prototypes were produced and tested.
6. Then 21 more were produced for “evaluation”.
7. It was a conventional plane in many regards.