Scott O55P4 – U.S. Post Office Department Official Stamp
30¢ Black – Card Proof (1873 Issue)
This listing is for a genuine Scott O55P4 Official stamp card proof, printed for the Post Office Department as part of the 1873 numeral-design Official series. These proofs were produced in limited quantities for archival and presentation purposes and were not issued for postal use.
Details:
• Scott #: O55P4
• Issue Year: 1873
• Department: Post Office Department (Official Mail)
• Denomination: 30 Cents
• Color: Black
• Format: Card Proof (printed directly on card stock)
• Gum: None as issued (NGAI)
• Condition: Excellent margins, crisp impression, normal hinge mark on reverse
The 30¢ is among the more desirable denominations in the Post Office Department card proof series and remains popular with U.S. Back-of-Book and Official Mail collectors.
