Karl Luckhardt ( 1886 - 1970 ) was a German painter. Karl Luckhardt s works have been put up for auction numerous times, with realized prices varying from 26.59 USD for Silhouette Frankfurts in 2005 to 432.53 USD for Sommerlich grünende Landschaft am Waldesrand mit Bachlauf inmitten einer Blumenwiese in 2006 , based on the size and medium of the artwork.