Shadow Gray SS

My name is Jake, I joined last night. I bought a 1970 Monte and I need some help with a few things on the body tag. Here is what is on it: 9 ST 70 13857 B 470990 BDY TR 757 17 B PNT 1C B 0717 Can you tell me what the following means: The 9 (is above BDY) Trim code 757 The B and 0717 Thank you, Jake