Soose turned pro in 1938, had his breakout year in 1940 and won the title in 1941.
Soose's career was so short that the card does help clarify the likely dates of issue of H815s. The pastel colored series was the first one, probably started in 1932, since one of the endorsers was John McGraw and he was canned in 1932 and died in 1933.
I believe it was followed by an issue with a single image but black and white rather than pastel.
I have cataloged several mid-1930s fighters in this style. The issue with the large portrait and action inset was probably next.
The series with the large action image and small portrait was probably the final installment prewar, as shown by the La Motta card. His emergence as a contender was later; he turned pro in 1941.
The only postwar premium I am aware of is this one; the movie was a 1946 release:
