Harmen Serin ( 1678 - 1765 ) was a Belgian painter. Harmen Serin s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 451.95 USD for Portrait of a lady, half-length, in a blue and white dress with a pink shawl and white cap, a rose in her right hand, a landscap in 2004 to 10258.9 USD for PORTRAIT OF HUBERTUS SNOECK (1703-1773), SEATE