Posting a few pictures of the stuff might not be a bad idea for those of us with cars but not parts books. Especially those of us with a later model GTO who might be looking for A/C hardware.
I took a quick look in the '72 parts book and didn't see any of those numbers.
Hollander identifies the compressor sticker as a 77-78 model radial style, if it's the radial style it won't interchange with GTO or Firebird but if it's the axial style it will.
Vikki 1969 Goldenrod Yellow / black 400 convertible numbers matching