Bidspirit auction | General Post Office WWII SSP

General Post Office WWII SSP Switch Room Door Sign - A G.P.O. E.L. & P. Switch Room A.R.P. single-sided porcelain sign. This WWII General Post Office ”Electric Light & Power Switch Room Air Raid Precautions” sign retains gloss and has four mounting holes. The field shows slight wear, and the perimeter shows chips and scratches along the edges and around the mounting holes. It measures 12” L x 4” H. Condition: GOOD