3433 Oak Knoll Boulevard
I just discovered that this is a duplicate; sorry. It’s the latest date I have for Duffin so far. Apparently the Duffin & Riding partnership lasted from the late 1920s to 1941, after which the two names appear separately. The only thing wrong with that supposition is that my earliest Geo. Riding mark is from 1940. Perhaps one of the original pair died and a son carried on.
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