Denmark has issued stamps since 1851. The first person to be featured on a Danish stamp was King Christian IX. The years appearing after each name refer to when that person was first featured on a stamp.
... C. Pinckney[?]
14
Federalist
Rufus King (14)
Other elections: 1792, 1796, 1800, 1804, 1808, 1812, 1816
Source: U.S. Office of the Federal Registe ...