This Week’s Hints to help you along:
So do you know what this aircraft is?
Click here to check out the previous What’s That?
Looks like an experimental version of a Yak-50, c.1949. I say experimental because the few pics of the Yak-50 I’ve seen have a different intake config (more like the MiG-15 or F-86). However, Randy may be on the right track.
I think that is either a MiG-17 prototype or a CHICOM L-9 prototype.
Russian, probably a MiG, but I’m not sure.