The USA 3-cent postage stamp of 1873 is part of the 1870-1873 series often called the “1873 Secret Marks” issue. This stamp features a profile of George Washington in green and is perforated 12. It was produced by the Continental Bank Note Company.
Key Features:
- Portrait: George Washington facing left.
- Denomination: 3 cents.
- Perforation: 12.
- Printed on hard paper by the Continental Bank Note Company.
- Part of the early definitive issues used for standard first-class postage.
- Known for containing secret marks to differentiate print runs.
This stamp is an important collectible from the 19th-century US postal history and is recognized for its design and printing variations used to identify genuine issues.
