There is a member here by the name of chafemasterj with an enormous collection of counterstamps, including, I'll bet, dozens of examples similar to yours. He'll be able to tell you all about them.
You can look at some of his collection
in this post.
Edit: Oops, I see Dearborn already referred to this thread above. Sorry for the duplicate.
Edited by CelticKnot
05/24/2021 6:20 pm