That's it! Exact duplicate. And, yes, I did check out the Banjo Hangout site, and got some great info from them! And, you are correct; it's called a "compensated moon bridge" for correcting intonation...thank you all for the help with this!
: Dick, does it look like the one pictured in this link?
: There have been a lot of different kinds of banjo bridges over the years, all with
: the elusive goal of providing good intonation up and down the neck.
: Bryan is correct. The Banjo Hangout is the place to go for answers. Bridge design
: and placement are topics that come up pretty frequently over there.