Clarence Alphonse Gagnon ( 1881 - 1942 ) was a Canadian painter. Clarence Alphonse Gagnon s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 4000 USD for QUEBEC FARMSTEAD in 2003 to 283751.01 USD for Campo, Siena in 2008 , based on the size and medium of the artwork.