Siegfried (Sigi) Strasser ( 1929 - 2017 ) was a painter. Siegfried (Sigi) Strasser s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 426.69 USD for Der blaue Luxusengel in 2017 to 746.71 USD for "Wurfhakenlokomotive "Gemse" in Aktion" in 2017 , based on the size and medium of the artwork.