March sun on the Würm

Signed lower right: "Hans Klatt / M.," On the back: nn the stretcher handwritten above "Märzsonne an der Würm Hans Klatt. München. pinx. 1929" on the left bar at the bottom label BStGS "Inv. Nr. 11901" about it " PR "(Photo Roth), bottom left a torn piece of paper on which another slip of paper with jagged edge glued on this manuscript " Ölgemälde 46" bottom center in blue "543", next to another torn slip of paper on the frame in the upper left corner in blue "31824" (Munich number), lower left in pencil "21336" next in Red "Klatt", bottom right in red and blue crossed out "1775" in the lower right corner in blue "# 4120"