The Gem Ready Reckoner,  miniature leather book. 

Handy book of comparisons (old money). Bound in leather with a press stud closure and gold text. A Torquay souvenir.

Please see photographs as they form part of the description.

Dimensions:
Width: 70mm (2 3/4”)
Depth: 100mm (4”)
Height: 15mm (1/2”)
Weight: 82g