_"That is one incredible tackle box! It's unrelated to the famed Old Pal line of tackle boxes, by the way. Instead it's a fabulous "Floating Pal" tackle box ca. 1950 from Crossman & Brinkman Mfg. of Richmond, Ind. This tackle box is not made of Bakelite, as often stated, but is actually Duraplast, one of the many types of resin-based plastics to flood the market in the post-war era. This is a huge box, meaning 22" x 7 " deep and 7" high, and weighs 12 pounds empty. More importantly, it floats, and was designed (like a few other tackle boxes including the legendary wood Tronicks box) to be used as a floatation device if a boat capsized. The only color I've seen them in is black, but of course, with plastic there could be many other colors. It was not a hit; I found one single ad for it in 1950 and not much more. They rarely come up for sale; an interesting thing about them is the warranty came with a unique serial number. Yours is #5937, implying a very small number were made. I'd value your neat find at $100-$150. It's a great box!"