This record is in very good condition for its age.
The Seeburg Background Music record is a vinyl record of a non-standard size of 9 inches diameter with a 2 inch center hole. The recording is monaural, with a playing speed of 16⅔ rpm and a density of 420 grooves per inch.
Each side contains approximately 40 minutes of music, typically 20 songs.
Records in every series are numbered 1-28 or 101-128.
These numbers tell you nothing except where the record was supposed to go in a stack.