under seat tags

Here is another subject that was on the old forum but I somehow can't find it. But good info to know.
Under the front seat cushion tags.
The 53 Sedan has two, both paper tags.
One reads --
11-5-52
239258  3.30  53  463 E4
the other reads --   463 

The 53 SW coupe has a metal tag that reads 239257-C   FALLS-2-53