Yes, there would be good interest. Is a popular bike amongst both riders and collectors.
If it really is 1979 model it should have an alloy bashplate and no frame tubes under the motor, blue frame, blue plastic tank and mudguards and blue fibreglass side covers. Black motor and black fork sliders.
238cc is M198A, 325cc is M199A
It runs $1000+
Nothing missing $1500+
Doesn't need major work $2000+
Ready to ride in competition (new competition tyres/new competition shockies/new brakes/new cables/etc) $3000+