Description
- Scott Catalog # : 3661 -3664 / Mystic First Day Covers.
- Set Includes: 3661 Red Bat / 3662 California Leaf-Nosed Bat / 3663 Pallid Bat and 3664 Spotted Bat.
- Have description of the stamp subject printed on the back.
- ARE IN MINT, UNADDRESSED CONDITION.