HEART PUZZLE - 98 PROBLEME DU COEUR by Richter C. 1900
Beautiful Heart Puzzle -' 98 problems each requiring all stones ' by the famous C. AD. Richter & Co., famous for their building block sets.
The geometric terracotta pieces that make the shape of the heart in the box can be used to create another 97 shapes and the instruction/pattern book which is in German, French and English, illustrates all possible patterns and shapes, some of which are illustrated in one of the photographs here and there is also help by means of illustrated numbered pieces to the inside of the lid.
Not only is the box and rule box in good order, but the pieces themselves have no chips or cracks which is most unusual