1898 1/2 cent USA Documentary Stamp Inter Revenue

As previously mentioned, the 1898 1/4 cent USA Proprietary Stamp Inter Revenue was used to indicate that the tax had been paid on proprietary articles and medicines. The stamp was meant to be affixed to the product or its packaging and was in use from 1898 to 1901. Today, the stamp is a valuable and collectible item, sought after by stamp collectors and enthusiasts for its historical significance and unique design.