I had a racquet identical this frame. It was a 4 3/8 lm pj PT10. don't expect $300 for it though. I had a lot of trouble selling mine for that. I think I was lucky to get $275. Great racquet though. If I could have obtained more and they could have been new I may have switched.
4x PT57A Youtek PJ - Unstrung Spec: 331gr 303SW
Luxilon Alu Rough 50lbs - Babolat Star 5