So I am trying to get your guys help with what these original marks could possibly be by seeing something I'm not plus with past things you may have seen to help! I know the first one says dso and the other stuff looks to me like 4 some other character and then x. Maybe 46X? Let me know what you guys think!
PHP: Ah ha...... http://www.thecoralsnake.com/SUSPENSION.HTML There is a high probabilty its "4001G" or a "C8ZX-G" or some derivative there of