Vintage U.S. Airmail & Pony Express Stamp Lot (Mostly Unused)

Explore a fascinating slice of American postal history with this vintage U.S. stamp collection, featuring classic airmail issues and a commemorative Pony Express envelope. Most stamps are unused/mint, offering crisp, vibrant artwork from the mid-20th century — perfect for collectors, framing, or creative crafting projects. Includes a variety of designs from the 1940s–60s, plus a 1960 Pony Express 4¢ stamped envelope in excellent condition. 🛩️ Airmail, Certified Mail & Domestic 🐎 Pony Express Commemorative 🗂️ Mixed: mostly unused, some canceled vintage us airmail stamps lot, pony express 1960 envelope, unused us postage stamps collection, midcentury american stamp lot, postal history ephemera u.s. stamp collectibles for sale, retro stamp art for crafts, philately gift set