1977 13¢ Butterflies Mint Block

United States #1712-15 13¢ Butterflies - 4 Varieties, Attached Plate Block Varieties: #1712 - Swallowtail #1713 - Checkerspot #1714 - Dogface #1715 - Orange-Tip *Plate number and position may vary...

United States #1704 13¢ Princeton Mint Single

United States #1709 13¢ Acoma Mint Single

United States #1706 13¢ Zia Mint Single

United States #1720 13¢ Leatherworker Mint Single

United States #1719 13¢ Wheelwright Mint Single

United States #1718 13¢ Blacksmith Mint Single

United States #1708 13¢ Hopi Mint Single

United States #1723-24 13¢ Energy Mint Pair