Seán O`sullivan ( 1889 - 1977 ) was an Irish painter. Seán O`sullivan s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 276.15 USD for Study of a gentleman in heraldic attire in 2004 to 4776.6 USD for The Emigrants Return in 2014 , based on the size and medium of the artwork.