Gustave Poetzsch ( 1870 - 1950 ) was a Swiss painter. Gustave Poetzsch s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 353.48 USD for Nächtliche Strandpromenade bei Neuenburg in 2009 to 5056.89 USD for Jeune femme prenant le thé au bord du lac in 2017 , based on the size and medium of the artwork.