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.