Vintage German landscape oil painting of soldiers in the trenches

Vintage German landscape oil painting of soldiers in the trenches. German School, circa 1960s. Unsigned, artist unknown. Oil on board. Wooden white painted frame. Depicts German soldiers in the trenches. Size of frame: 16.25 x 12.25 inches; Size of painting: 15.25 x 11.25 inches; Size of front painting aperture: 14.5 x 10.5 inches. Weight: 690g (allow 3 kg volumetric weight once packed). Reasonable condition for its age - various superficial marks & scratches but all part of its charm and character. Priced accordingly.