Robert Allen Nelson ( 1925 - ) is a painter. Robert Allen Nelson s works have been put up for auction numerous times, with realized prices varying from 40 USD for Ghost Dog of Pug Island in 2017 to 275 USD for Series (Large Frog Holding Back Arrows Behind a Snake Shield, Summer of 1975, Chapel Hill NC) Fer De Lanc in 2017 , based on the size and medium of the artwork.