a.k.a. Lott's Stone Puzzle, Anchor Puzzle No. 15 (sometimes 16)
F. Ad. Richter & Co., Germany, late 1890's / early 1900's
(cardboard box 2.7" x 4.4" x 9/16", 7 stone pieces, and booklet;
the Anchor Puzzle Book dates this puzzle as first made in 1899;
similar in construction to the Anchor Puzzle Tangram;
the inside of the cover shows how to pack the pieces into the box;
a second way of packing the pieces into the box is shown by the figure above;
the inside of the bottom has a testimonial dated 1899;
booklet has multi-language text inside the covers and on pages A to Q at the front,
and 48 pages with 135 shapes to make,
the first of which is the pyramid of square root 3 times the height of the rectangle,
and where the last 16 pages are shapes made in combination with another puzzle;

Note: The box above does not show a number. However this puzzle was commonly listed by in Richter literature as number 15, and 15 appears on the boxes of some versions. It was also made with a box that has the same graphics as the one above with "No. 16." above the word Sphinx.

Puzzle pieces the same as the first page but box is 2.75" x 4.9" x 1/2";
booklet has the same 48 pages of problems but no additional text;
the inside of the cover shows how to pack the pieces into the box;
directions are on a separate two sided sheet that is slightly smaller than booklet pages.

Puzzle pieces the same as the first page;
booklet has the same 48 pages of problems but no additional text;
the inside of the cover shows how to pack the pieces into the box;
directions are on a separate two sided sheet that is slightly smaller than booklet pages.

"Lott's Stone Puzzle", copyright 1911, Lott's Bricks, LTD, Watford, England.
(cardboard box 2.7" x 4.2" x 9/16", 7 stone pieces, and booklet;
the booklet pages 1 and 2 are an introduction,
the last page invites one to write for a solution to another puzzle,
and pages 3 through 31 show 105 shapes to make,
where page 31 shows the rectangle for how to pack the pieces into the box)