John Gould & Henry Constantine Richter ( 1804 - 1881 ) was a British painter. John Gould & Henry Constantine Richter s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 192 USD for Turnix Africanus in 2005 to 2414.16 USD for Menura Alberti: Gould (Lyrebird) from 'The Birds of Australia Supplement', 1869 in 2005 , based on the size a