Vintage Lionel Trains O Scale Automatic Block Train Signal No. 153 Working

Vintage Lionel no. 153 Block Signal MARX MAIN ST. Semaphore & 3 BARRELS - NICE!

Vintage Lionel Post War #153 Automatic Block Control Signal (1/3)

Vintage Lionel Automatic Block Signal Control No. 153 in box circa 1953.

Lionel No. 153 Automatic Block Signal

Lionel 153 Block Signal, no box, postwar

Lionel No. 153 Block Signal, a classic accessory for model train layouts