Abacus Kanban, wood, mid-century

 

Oversized Abacus Kanban or store sign.  Made of wood, Japanese, mid-century.  A whimsical folk art that is also functional,if one is inclined to learn  how to use one.  It has been known that sometimes some of these were used in schools to each schoolchildren how to count before computers.  Dimensions: 11x2x43.25 in.