United States currency notes featuring a distinctive blue treasury seal and serial numbers were issued primarily as Silver Certificates. The denomination of ten dollars was one such denomination printed with this blue seal. These notes represented actual silver held in reserve by the U.S. Treasury and were redeemable for silver dollars or silver bullion. A prime example is the 1933 series ten-dollar bill displaying this characteristic blue seal.
The importance of these certificates lies in their historical context, reflecting a period when U.S. currency was directly tied to precious metals. They offered the public assurance of value and facilitated trade. Furthermore, they represent a tangible link to a monetary system that prioritized metal-backed currency, offering benefits such as price stability relative to fiat systems.