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Three wings, six colours. A version made for self-advertising.
This version reads "Roundy The Clever Disk" and "Werbung mit der man auch spielen kann" ("advertisement with which one can also play"). Presumably this version was made to advertise the puzzle for merchandising purposes.
The year given here is an upper bound. This puzzle was shown in "The book of ingenious an diabolical puzzles" from 1994.
Thank you to the following people for their assistance in helping collect the information on this page: Carter, Geert Hellings.
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