I have two bikes with those older, vinyl bags. They look right for a 1960s-70s bike, but a little out of place on the earlier ones. The quality is so-so. The Carradice Zipper Roll in black is my favorite bag. The Banjo Brothers Barrel is a decent budget offering, though a bit smaller.
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Classic American and British Roadsters, Utility Bikes, and Sporting Bikes (1935-1979):
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