First, I'd like to say Welcome!
2nd, you might also add more build date data as well if you know the ACTUAL build date. (Marti Report confirmed)
3rd, I will say I am no 69 San Jose expert, but I cannot recall seeing those style bolts used for that application before either. Others will soon be able to offer more help than I can. You are in the correct forum to find out such details, THAT I can attest to.
Richard