Copy produced by puzzle design Ton Delsing.F. D. The world famous Initials. Frank Delano Roosevelt's Initials.Registered U.S. Patent Office.The F consisted of 5 red pieces, the D of 6 blue pieces.Material. Thin Plastic.
I started designing puzzles in 1982. That was roughly the same puzzle, but without the 2 cylinder obstacles. The task of this puzzle: remove the ring in the center. I sold 40 of them. 3 collectors sent me the solution. Warning: it is a tricky puzzle!!
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