Peter Deighan (after) ( 1941 - ) is a painter. Peter Deighan (after) s works have been put up for auction numerous times, with realized prices varying from 26.56 USD for Lester Piggott St leger winners in 2005 to 91.22 USD for LESTER PIGGOTT'S WINNERS: OAKS; DERBY; 1000 & 2000 GUINEAS; ST. LEGER in 2014 , based on the size and medium of the artwork.