Ok, so there were different inspectors that makes more sense. I thought it was just one stamp that was generalized which had me confused. Here are the serial #'s, am I missing the "5 digit" serial # somewhere that I keep reading about? shouldn't there be 4 numbers and a letter? Thanks for helping me locate it... these are the spots I am finding #'s besides the little parts.

^ does the Bo27 have something to do with the steel manufacturer?

^ you can see where someone has tried to pry it open with something in the past