F. Ad. Richter & Co., Germany, early 1900's.
(cardboard box 3+7/16" x 3+5/8" x 1/2", 8 stone pieces, and booklet;
the Anchor Puzzle Book dates this puzzle as first made in 1917;
similar in construction to the Anchor Puzzle Tangram;
the inside of the cover shows how to pack the pieces into the box;
the booklet has 19 pages of text in multiple languages,
and 32 pages with 96 shapes to make,
where the first is the box packing shown above;
a scan of the booklet is shown on the following pages)
