Herman Gustaf Af Sillen ( 1857 - 1908 ) was a Swedish painter. Herman Gustaf Af Sillen s works have been put up for auction numerous times, with realized prices varying from 5660.38 USD for SKUTOR VID KRONBORGS SLOTT in 2003 to 9670.33 USD for ossibly HMS Vanadis in the Mediterranean off North africa. in 2010 , based on the size and medium of the artwork.