Set of 6 coasters probably from the 70s. Printed/Painted white on real slate. Green felt on the base to protect surfaces..

I believe that these have been stored and unused since purchase.
- No sign of use on coasters and I can't remember ever being used (found in a cupboard from the family home)

Dimensions :
8.2cm (3&1/4 inch) Diameter
0. 3cm (1/8 inch) Thick