Scott O52P4 – U.S. Post Office Department Official Stamp
12¢ Black – Card Proof (1873 Issue)
This listing is for a genuine Scott O52P4 Official stamp card proof, printed for the Post Office Department during the 1873 Official Mail series. Card proofs were produced in limited numbers for collectors, archives, and presentation sets—not for postal use.
Details:
• Scott #: O52P4
• Issue Year: 1873
• Department: Post Office Department (Official Mail)
• Denomination: 12 Cents
• Color: Black
• Format: Card Proof (printed directly on card stock)
• Gum: None as issued (NGAI)
• Condition: Excellent margins, strong impression; normal hinge mark on reverse
These striking 19th-century proofs are desirable among collectors of U.S. Back-of-Book, proofs, and Official Mail specialties.
