Nice early style Model 21.  From the 1931 Winchester catalog --
1931 Model 21 Standard Grade, double trigger.jpg
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				I like the early butt stock with the loose sweep of the grip.
			
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 The stock one of the Parker Brothers called a "canoe paddle."  Schwing states they only used that style through 1933, but I first see the tighter grip pictured in the 1935 catalog.  However, I have a 1939 Winchester catalog that still used the same cut as the 1931 catalog!?!