Ephraim Gumpert ( - 1837 ) was a Danish painter. Ephraim Gumpert s works have been auctioned off multiple times, with realized prices varying according to the size and medium of the artwork, for instance of 4803.43 USD for Porträtt - midjebild föreställande ”Constructions Lieutnanten och handelsskeppsbyggmästaren Carl Daniel Pettersson” in 2007