A SILVER-MOUNTED SHAGREEN BOX AND COVER, JOHN PAUL COOPER (1869-1933), UNMARKED, EARLY 20TH CENTURY circular, applied with silver ropetwist and wire bands, walnut carcass 7.3cm diameter Cooper was a well-known exponent of the Arts & Crafts movement. Having trained as an architect, he took up metalwork in 1897. His use of shagreen especially was well in advance of the fashion for the material, which was later widely used by many designers. His pieces are often unmarked.