This post on HelloGiggles.com really says it all about vintage and second hand sizing. If you like something, try it on. It doesn’t matter what size it is. If it is too big for you or needs alterations, consider altering it. Above all try on LOTS of things at vintage and second hand stores, and be surprised by the results.
Hello Giggles Adventures in Thrifting- Clothing sizes are stupid, seriously….
The Low Low Style 