Upvote
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Very Cool, diggy,
Welcome to these parts, and thanks for showing us. When are you going back for the ring?
[ http://www.treasurenet.com/forums/today-s-finds/154893-decent-cellar-hole-foundation.html
This was made in 1955 by the Hartford fire insurance company. I found it in a school yard used since the 1940s. My guess is a kid in the 1950s or 60s lost it at recess. It isn't worth much but it's a very unique find.