When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
Sun 504 Distributor Tester Topper Sign - Original Metal Sign
Sun Electric Corp, Chicago, 1960s era
Includes sign only, not the tester itself
Garage, man cave display, or for putting together an original 504 unit.
