1989 45c US Airmail Space Shuttle Stamp

This is a cool piece of postal history from 1989. It's a 45-cent US Airmail stamp issued for the 20th Universal Postal Congress. The design features a futuristic space shuttle theme, which was a big deal back then. It's been used and has a visible postmark, giving it that authentic vintage feel. Perfect if you're into space memorabilia or just starting a stamp collection.