This is the Coffee Mill puzzle made by Hiroshi Iwahara. This is a remarkably beautiful puzzle. The craftsmanship is outstanding (as is the case with all KCG puzzles) and the solution is quite interesting. This puzzle has been carefully solved and reset a few times, and is in excellent condition. Comes in its original packaging, with the solution sheet included.
Below is a link to the full description:
https://karakuri.gr.jp/en/products/rf-83/
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