Cobbler's shop first appears on the 1910 Sanborn (it's not on the 1904 Sanborn).
This building was sometimes numbered 506 in the city directory.
In the 1940 city directory 504 W State was listed as Anthony Ruggerio, shoe repairing.
In the 1951 city directory 506 W State was Johnny's Repair Service (Electrical) and Carey's Sandwich Shop