Scott O53P4 – U.S. Post Office Department Official Stamp
15¢ Black – Card Proof (1873 Issue)
This listing is for a genuine Scott O53P4 Official stamp card proof, created for the Post Office Department as part of the 1873 Official Mail series. These proofs were produced in limited quantities for archives, presentation sets, and collectors—they were never issued for postal use.
Details:
• Scott #: O53P4
• Issue Year: 1873
• Department: Post Office Department (Official Mail)
• Denomination: 15 Cents
• Color: Black
• Format: Card Proof (printed directly on thick card stock)
• Gum: None as issued (NGAI)
• Condition: Strong impression and excellent margins; typical hinge mark on reverse
These 19th-century card proofs are a core component of the U.S. Back-of-Book Official collecting area and remain popular due to their ornate numeral designs and historical production origins.
