Pillars of Hercules Private Die Proprietary Stamp

United States · 1954 · 1¢

This 1 cent private die proprietary revenue stamp features the 'Pillars of Hercules' design, a classical motif. The provided image displays the gummed reverse side of the stamp.

Private die proprietary stamps like this one were used in the United States to denote payment of federal taxes on specific products, often featuring custom designs for individual manufacturers. This particular stamp would have been affixed to a product to certify tax payment.