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.
Printing Method
Engraved
Image: Elmer C. Clark · License: Public domain
Estimated Values by Condition
Perfectly centered, fresh, no faults
Well centered, fresh colors
Nicely centered, minor flaws
Average centering, acceptable
Off-center or visible wear
Prices are approximate market estimates for educational purposes. Actual values depend on specific factors including cancel type, margins, and provenance.
