about a year ago when I got serious about trad, I bought a used lh 50# grizzly, it was only shot a few times becuase I was realy into longbows at the time, it needs a new string and I would like to know when it was made, serial no. kr13696, it has brown glass and a two tone wood riser with inlaid silver meddalion,a zebra hear rest, two different colored lmb tips, it has white streaks on the belly near the limb tip, does this mean its not safe to shoot, where should I go for a custom string?