Box of 50 Made in Japan 1950s Grubby Animal Erasers

Box of 50 erasers / rubbers.

An assortment of various ..possibly including dogs, lions, tigers, elephants, swans, pelicans, rabbits - each mix is different.
All grubby or damaged.
And therefore perfect for some sort of inspired art project.

The erasers are aprox 4cm long each and made of that slightly grainy rubber.