A five-cent bright-blue 1875 Continental Bank Note Company special printing sold for US$525,000 at Siegel’s Boardwalk sale on 24 September 2026. The 18 per cent buyer’s premium brought the total to US$619,500, according to Linn’s Stamp News.

The stamp, identified as, depicts Zachary Taylor and was issued without gum. Linn’s reports eleven examples in Siegel’s census, including two in institutional collections. The Boardwalk example had last appeared at public auction in the 1989 sale of the Weill Brothers’ stock, leaving 37 years between its auction appearances.