PGM ASM #129 So I bought a collection last week with tons of books. Mostly from the 80-late 90's with lots of keys and a full run of ASM. Here is a book that I'm curious about. I know of a topic I read a long time ago about how grocery stores would mark usually one side of the book that they sold with a marker. Apparently they must have done this to entire stack of ASM 129's!    Anyways, what grade do you place on this? I'm thinking of sending it in for a press but will end up gradi