1973 8¢ Pamphlet Printing Plate Block

United States #1476 8¢ Pamphlet Printing Mint Single

United States #1475 8¢ Love Plate Block

United States #1501 8¢ Progress in Electronics - Transistors & Printed Circuits Plate Block

United States #1508 8¢ Christmas - Tree Plate Block

United States #1488 8¢ Nicolaus Copernicus Plate Block

United States #1507 8¢ Christmas - Madonna Plate Block

United States #1504 8¢ Angus Cattle Plate Block

United States #1479 8¢ Drummer & Soldiers Plate Block

United States #1477 8¢ Posting Broadside Plate Block