Scott Catalog # : UX601 - UX610 / Fleetwood Postal Card First Day Covers.
Set Includes: UX601 Acadia National Park / UX602 Badlands National Park / UX603 Bryce Canyon National Park / UX604 Grand Canyon National Park / UX605 Great Smoky Mountains National Park / UX606 Mount McKinley National Park / UX607 Mount Rainier National Park / UX608 St. John, U.S. Virgin Islands National Park / UX609 Yosemite National Park and UX610 Zion National Park.
