Washington DC Linen Souvenir Folder Postcard US Capitol Capitol Souvenir Co P-31

Vintage linen-era souvenir mailer folder featuring the U.S. Capitol building with patriotic "Souvenir Folder of Washington D.C." title lettering on the front cover. • Location: Washington, D.C. • Subject: U.S. Capitol Building • Type: Linen Souvenir Folder / Mailer • Era: Linen Era (c. 1930s–1950s) • Publisher: (c) Capitol Souvenir Co., Inc. • Item / Production Number: P-31 • Postal Status: Unposted / Unused • Condition: Vintage condition; see high-resolution photos for exact edge and corner detail. Items are packaged securely and shipped quickly to ensure safe arrival.