What's with the weird frets?

guitarz.blogspot.com:

This lute-like round-backed instrument is an interesting one (the seller suggests it may be called a "prim").

Obviously it has a few parts missing such as the bridge and tailpiece, and it isn't strung up, but it appears it would be a 4-string instrument.

What is rather intriguing is the bizarre arrangement of the frets. Does anyone out there know how this would be tuned and/or played?

Thanks to David Brown for bringing this instrument to my attention.

G L Wilson

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