Richard Principal Leitch ( 1844 - 1882 ) was a British painter. Richard Principal Leitch s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 54.34 USD for Travellers on an Alpine pass in 2003 to 1178.98 USD for A quantity of unframed watercolours and wash drawings in 2004 , based on the size and medium of the artwork.