Here is the video of the Empire B40 Store Display (hopefully, some day I will get it fully restored).
This was the only known example until eBay seller slowjoey acquired Carl Pilleteri's collection. I understand that Carl had a second example in his collection (more complete), but that slowjoey does not want to ship it. The store display is ~4 foot long and probably weighs 30+ pounds.
I purchased mine with a large collection from Bruce Egbert in Ohio in 2018. My younger brother who lives in Dayton, Ohio picked up the engines that I purchased and drove them to me in a rental car that I rented with Hertz points. I flew him home first class with airline miles.
Below are two short videos I made of mine: