A Dr Wall Worcester blue and white coffee cup and saucer, circa 1775 the coffee cup and saucer printed underglaze with a variant of 'Three flower' pattern incorporating butterflies, with concentric blue bands to the rim, the cup with underglaze blue W script mark, the saucer with underglaze blue crescent mark. Diameter 12.5 cm (saucer), height 6.5 cm (cup)