4. US Plate Blocks & Multiples
Scott# 646 “MOLLY PITCHER – WASHINGTON” PLATE BLOCK (4) MNH PLATE# 19070
4. US Plate Blocks & Multiples
Scott# 646 “WASHINGTON” MOLLY PITCHER OVERPRINT BLOCK (25) MNH
4. US Plate Blocks & Multiples
Scott# 647 “DISCOVERY of HAWAII” OVERPRINT, PLATE BLOCK (4) MNH
4. US Plate Blocks & Multiples
Scott# 648 “HAWAII OVERPRINT” MNH PLATE BLOCK (4) NICELY CENTERED
4. US Plate Blocks & Multiples
Scott# 649 “CIVIL AERONAUTICS CONFERENCE” MNH PLATE BLOCK (6) *SEE DETAILS*
4. US Plate Blocks & Multiples
Scott# 649 “CIVIL AERONAUTICS CONFERENCE” PLATE BLOCK (6) MINT
4. US Plate Blocks & Multiples
Scott# 649 “CIVIL AERONAUTICS CONFERENCE” PLATE BLOCK (6) MNH
4. US Plate Blocks & Multiples
Scott# 649 “CIVIL AERONAUTICS CONFERENCE” PLATE BLOCK (6) MNH
4. US Plate Blocks & Multiples
Scott# 650 “CIVIL AERONAUTICS” MINT BLOCK (4) WITH PLATE # 19660
4. US Plate Blocks & Multiples
Scott# 650 “CIVIL AERONAUTICS” PLATE BLOCK (6) MNH * SEE SCANS *
4. US Plate Blocks & Multiples
Scott# 650 “CIVIL AERONAUTICS” PLATE BLOCK (6) MNH, VERY NICELY CENTERED
4. US Plate Blocks & Multiples
Scott# 651 “GEORGE ROGERS CLARK” MNH PLATE BLOCK (6) NICELY CENTERED