Skinner,

As I looked in your toy display, I found quite a few there that could also be in mine if I had such a thing. I guess I better get busy. Your Doepke D6 has way better paint than mine but as a kid, I did a lot of earthmoving with mine. My uncle bought it for me in Fresno in 1952. It was my favorite toy as a kid!

You might check with Holt. They may have a record of the Serial Number. Best of luck in your search. We'll be here waiting to hear how you do.

JanM