The Fourth of July has us thinking about flags; this interior, photographed by Paul Costello, hits the mark. Read on for some sourcing ideas.

Above: Photography by Paul Costello.

Above: Annin American Flag, made of 100 percent cotton in New Jersey; $30 from Best Made Company.

Above: Bulldog Cotton Flag; $129.95 for a 8-by-12-foot flag from Flag Store USA.

Above: Jasper Johns Flag, 1954; 38 by 30 inch MoMA exhibit poster, $39.99 at All Posters.

Above: 48 Embroidered Star Flag; c. 1945-50 at Jeff R. Bridgman, a prominent dealer of antique flags.

N.B.: Looking for more red, white, and blue? See 523 images of Red Palettes in our Gallery of rooms and spaces.