![RB55 - 1914 3c, Proprietary Stamp - offset, watermark, perf 10, black RB55 - 1914 3c, Proprietary Stamp - offset, watermark, perf 10, black](https://cdn11.bigcommerce.com/s-9xwo1raw7u/images/stencil/500x659/products/70318/52647/USA-RB55__31209.1711040507.jpg?c=1)
1914 6c Proprietary Stamp,offset, watermark, perf 10, black
# RB61 - 1914 6c Proprietary Stamp - offset, watermark, perf 10, black
$49.00 - $110.00
Proprietary Stamps- Neat Revenue Stamps, Missing from Many Collections!
Proprietary stamps paid tax duties on goods like alcohol and tobacco, and were also used for various services.
Proprietary Stamps- Neat Revenue Stamps, Missing from Many Collections!
Proprietary stamps paid tax duties on goods like alcohol and tobacco, and were also used for various services.