You can associate vintage from the era of the roaring 20s with the Art Deco style, right up until World War II, usually with a colour palette of neutral tones, grays, creams and off whites, with lots of lace and pearls. You can carry on the theme right through to the invites, decor, cake, music, and dress attire.
Vintage floral displays styles have a hand picked look about them. And for an extra vintage twist here, flowers are displyed in glass jars. They look great! It is also a great touch in the tables by having buttons scattered across the table.
The building below is a great example of Art Deco. I building like this would be a great place to have your party or possibly wedding. Most of these great buildings have their original features which would make for great photo opportunities. This would carry on the theme very well, and couple with the right decorations, would look like an amazing party.