James Sowerby ( 1757 - 1822 ) was a British painter. James Sowerby s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 1937.52 USD for Coloured Figures of English Fungi, or Mushrooms, 3 volumes and supplement bound in 2 in 2004 to 6798.1 USD for British Mineralogy: or coloured figures intended to elucidate the Mineralogy of Great Br