Acrylic Phone Booth Signs

Several examples of translucent signs that were mounted to walk in telephone booths. The GTE one is 4 X 20 inches. The Bell System one that doesn't have mounting holes is 4.5 X 26. The 3f with mounting holes, one says Bell System, and one with red letters and one with green letters that say "TELEPHONE" are 5.23 X 23. The green ones were often seen on the streets of NYC, the red ones were often seen in the NYC subway also ones with black letters were primarily seen inside businesses.