4. US Plate Blocks & Multiples
Scott# 1556 “PIONEER 10 PASSING JUPITER” PLATE BLOCK (4) MNH
5. US Zip Code Blocks
4. US Plate Blocks & Multiples
Scott# 1556 “PIONEER 10” MNH MATCHED PLATE BLOCK SET PLATE # 35848
4. US Plate Blocks & Multiples
Scott# 1556 “PIONEER 10” MNH MATCHED PLATE BLOCK SET PLATE # 35863
US 1941-Date- Mint Stamps
Scott# 1557 “MARINER 10” VENUS & MERCURY SINGLE, MNH, NICELY CENTERED
MAIL EARLY BLOCKS
Scott# 1557 “MARINER 10” VENUS and MERCURY MAIL EARLY BLOCK (6) MNH
4. US Plate Blocks & Multiples
Scott# 1557 “MARINER 10” VENUS and MERCURY PLATE BLOCK (4) MINT
4. US Plate Blocks & Multiples
Scott# 1557 “MARINER 10” VENUS and MERCURY PLATE BLOCK (4) MNH
5. US Zip Code Blocks
Scott# 1557 “MARINER 10” VENUS and MERCURY ZIP BLOCK (4) MNH
MAIL EARLY BLOCKS
Scott# 1558 “COLLECTIVE BARGAINING” MAIL EARLY BLOCK (6) MNH
US 1941-Date- Mint Stamps
Scott# 1558 “COLLECTIVE BARGAINING” MNH SINGLE, NICELY CENTERED
4. US Plate Blocks & Multiples