This painting:

was made by Ludwig Elsholtz in 1836. The signature can be seen at the bottom below the single shako lying in the shallow ditch in the right foreground.

(There is a bigger copy of the painting in Ortenburg: Mit Gott für König und Vaterland, pp. 56-57.)

PS. The painting seems to be in the Nationalgalerie in Berlin:

https://www.scholarsresource.com/browse/work/4012