1933 Nazi Leaders
Poster Advertising the SS Weekly
The next image is what they are confident is one of Hitler’s later paintings, dating to around 1920. There are a lot of fake Hitler paintings in circulation, but they are an established firm that knows what it deals with, so the chances are they are correct.
A good general summary of Hitler’s paintings from a 1998 article reprinted by Snyder’s Treasures, another dealer in such items.