a.k.a. Richter Anchor Stone Puzzle No. 11
F. Ad. Richter & Co., Germany, 1890's / early 1900's
(cardboard box 3.1" x 3.1" x 5/8", 8 stone pieces, and booklet;
the Anchor Puzzle Book dates this puzzle as first made in 1894;
similar in construction to the Anchor Puzzle Tangram;
the inside of the cover shows how to pack the pieces into the box;
booklet has 8 pages of multi-language text at the beginning,
and 32 pages with 89 shapes to make)

Richter & Co., Germany, circa 1890's / early 1900's.
(cardboard box 3.1" x 3.1" x 9/16", 8 stone pieces,
the inside of the cover shows how to pack the pieces into the box;
booklet has multi-language text inside covers and on pages A to Q at the front,
and 32 pages with 89 shapes to make, same as those on the preceding page)

Richter & Co., Germany, circa 1890's / early 1900's.
(cardboard box 3.1" x 3.1" x 5/8", 8 stone pieces,
and booklet of 32 pages with the same 89 shapes as the preceding page)