1970 6¢ Natural History - 4 Varieties, Attached Plate Block

United States #1365-68 6¢ Beautification - 4 Varieties, Attached Plate Block*Plate number and position may vary from image shown.

United States #1779-82 15¢ Architecture - 4 Varieties, Attached Plate Block Varieties: #1775 - Virginia Rotunda #1775 - Baltimore Cathedral #1775 - Boston State House #1775 - Philadelphia...

United States #1254-57 5¢ Christmas - 4 Varieties, Attached Plate Block*Plate number and position may vary from image shown.

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 #1745-48 13¢ Quilts - 4 Varieties, Attached Plate Block Varieties: #1745 - Flowers #1746 - Stars #1747 - Stripes #1748 - Plaid *Plate number and position may vary from image shown.

United States #1448-51 2¢ Cape Hatteras - 4 Varieties, Attached Plate Block*Plate number and position may vary from image shown.

United States #1565-68 10¢ Military Uniforms - 4 Varieties, Attached Plate Block of 12 Varieties: #1565 - Continental Army #1566 - Continental Navy #1567 - Continental Marines #1568 - American...

United States #1749-52 13¢ American Dance - 4 Varieties, Attached Plate Block Varieties: #1749 - Ballet #1750 - Theater #1751 - Folk #1752 - Modern *Plate number and position may vary from image...

United States #1760-63 15¢ American Owls - 4 Varieties, Attached Plate Block Varieties: #1760 - Great Gray Owl #1761 - Saw-Whet Owl #1762 - Barred Owl #1763 - Great Horned Owl *Plate number and...