I have a friend who has a FWB 300 that he is selling and does not know a fair price to charge me for it. I believe it is the base model, i.e, the comb is not adjustable. It is in relatively good condition, considering its age. The wood does not have any cracks, large pressure marks, or scratches. The finish on the bottom of the forearm is thinning. The bluing is in good condition with minor freckling in a small area around rear sight dovetail. i have shot it rifle and it appears to be very accurate, itdoes not appear to have any mechanical problems. Is $550 a fair price? Thanks, Tom