There was a red feather in the bow on his snap brim felt hat.
"A Yankee Flier Over Berlin" by Al Avery
A snap-brimmed hat was pulled low on his forehead.
"Ghost Beyond the Gate" by Mildred A. Wirt
The door swung open and out leaped a lean young man in a well-tailored blue suit and snap-brim hat.
"The Secret Pact" by Mildred A. Wirt
He wore a gray snap-brim hat; it was set squarely on his head, precisely level.
"Hooded Detective, Volume III No. 2, January, 1942" by Various