Was there a watercolor drawing by Leon Moran of the original Princess Louise Painting by Gustav Richter and what do you think the value of such a drawing or reproduction of said drawing would be?

Yes, there is a watercolor drawing by Leon Moran that depicts the original painting of Princess Louise by Gustav Richter. The value of such a drawing or reproduction would largely depend on factors such as its condition, provenance, and the interest in both the artist and the subject. If the drawing is authenticated and in good condition, it could potentially hold significant value for collectors of art, particularly those interested in historical pieces or works related to Princess Louise.