(2) Vintage “Danger High Voltage?? Porcelain Enamel Signs. “Commonwealth EdisonFlannery's Estate Services4.6(458)$25Feb 28, 2026
TIDEWATER OIL CO. "DANGER" PORCELAIN SIGN W/ FLYING A GRAPHICDan Morphy Auctions4.3(1.4k)$15039 Lots Away
“Danger “ Only Regular Operator Allowed To Use This Machine SignFlannery's Estate Services4.6(458)$25Feb 28, 2026
Pacific Gas & Electric Co. Single-Sided Porcelain Danger Warning SignMarz Auctions4.6(164)$150Mar 14, 2026
DSS Pennsylvania Dep. of Transportation Inspection Station SignAtlee Raber Auctions4.6(532)$10Mar 16, 2026
