Richter Mathematical Blocks
- Sold for:
- Clocks, Watches & Scientific Instruments - 2345
- Date / Time :
- July 29, 2006 10:00AM
Richter Mathematical Blocks, red, stone, and blue shapes in two trays, in maker's box with chromolithographed label on the lid; and a set of Richter's Anchor Blocks in Bungalow box with label (torn) on lid.