![O73P3 - 1873 2c Official Mail Stamp - Treasury India paper, brown O73P3 - 1873 2c Official Mail Stamp - Treasury India paper, brown](https://cdn11.bigcommerce.com/s-9xwo1raw7u/images/stencil/500x659/products/82994/63394/USA-O73P3__64132.1711044430.jpg?c=1)
1873 15c Official Mail Stamp,Treasury India paper, brown
# O79P3 - 1873 15c Official Mail Stamp - Treasury India paper, brown
$27.50
Official Mail Stamps- Missing From Many Collections
Official Mail stamps, also known as departmental stamps, were developed in the 19th century as a means of accounting for postage on mail sent by various federal departments. These are a neat area of philately, and would make a great addition to your U.S. collection.
Official Mail Stamps- Missing From Many Collections
Official Mail stamps, also known as departmental stamps, were developed in the 19th century as a means of accounting for postage on mail sent by various federal departments. These are a neat area of philately, and would make a great addition to your U.S. collection.