Richter Stone Union Building Blocks Complete Set No. 6 in Original Box with Booklet cat bookend but might guess early 20th

but might guess early 20th century

which was glued back on and is not loose

and I believe dates to the first half of the 20th century

The largest is stamped Made in Germany on the interior bottom

The brush measures 11 3/8" long x 2 1/2" in diameter

Richter Stone Union Building Blocks Complete Set No. 6 in Original Box with Booklet cat bookend but might guess early 20thI've long been admiring sets of stone blocks like this for years, but never have I come across a complete set, in excellent condition, in the original. box with slide top lid, and with the original design booklet showing examples of many structures one might build with them, and an extra booklet (from another set) to boot! This Union Building Blocks No. 6 set was produced by Richter & Cie Rudolstadt, Germany c. 1900 and weighs in at just over 7