Sakai Model Train Block Signal From Japan W/Partial Box

Description

Here is a vintage Sakai Block Signal from Japan. I'm guessing it is from the 50's, but I really don't know. This twin light version has a few minor paint chips, but is very clean, no rust. It has shiny paint and is in excellent condition. It has all the binding post nuts, and working bulbs. It comes with a partial original box. No contactor or instructions. Please ask any questions. Thanks for looking.