info needed

[jwr747]

any good spots to find info and fair market value of a P.08 bfy Luger. s/n 8241. the 8241 on the front part of the frame has what looks like a small r with a tail on it below the #.year date is 42,with all other parts marked 41.wood grips .only mark on mag is a german eagle with 655 below it. several german eagles on pistol and barrel.also the eagle and 655 on frame in a few spots.blue may be about 50%. gesichert under safty lever.no picture due to me and Mr. computer not getting a long real well. thanks...jwr
PS:has the lugs and stuff for a shoulder stock.