1978 13¢ Carl Sandburg Plate Block

United States #1731 13¢ Carl Sandburg Mint Sheet of 50 *Plate number and position may vary from image shown.

United States #1731 13¢ Carl Sandburg Mint Single

United States #1733 13¢ "Resolution" Plate Block

United States #1754 13¢ Dr. Papanicolaou Plate Block

United States #1753 13¢ French Alliance Plate Block