the coding on the frame is; 0905521P but got a feelings my friend made a typo error and its suppose to be; 090552IP would this still mean its fake though???
What you should do is post this in the 'Post your Yonex serial numbers here!' thread - I am assuming it is a Yonex racquet. Make sure to mention where your friend bought it, and give the serial number on the shaft too (it should be a 7-digit number). Also note down the model of racquet.