![O16P4 - 1873 2c Official Mail Stamp - vermilion O16P4 - 1873 2c Official Mail Stamp - vermilion](https://cdn11.bigcommerce.com/s-9xwo1raw7u/images/stencil/500x659/products/75427/56969/USA-O16P4__22076.1711087902.jpg?c=1)
1873 24c Official Mail Stamp,vermilion
# O22P4 - 1873 24c Official Mail Stamp - vermilion
$7.50 - $12.00
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.