Scott O138B
20c Great Seal (Coil) |
| |
|
|
|
|
Scott O138B
20c Great Seal
Coil Single
|
|
|
Scott O138B
20c Great Seal
Coil Pair |
|
|
 |
 |
Goebel Offset Optiforma Press — Perforation: 10 Vertically
Washington DC — 1988 May 19
Print Quantity: 27.1 million (Coil: 100) — Bureau of Engraving and Printing |
|
|
|
|
|
Postal Bulletin 21673 — 1988 May 19 |
|
|
|
|
|
|
