For anyone who's interested, I found a date code on the head badge. It says "836", which I believe means the 83rd day (March 24) of 1986.
Edit: I looked at it again and I missed a 0 before. It's actually "0836", which makes more sense because I read date codes should be 4 digits. Same thing.
Last edited by Seizedpost; 07-30-15 at 07:09 AM.