Banknotes with and a matching blue Treasury seal are Silver Certificates . Issued by the U.S. government between 1878 and 1964, these notes were originally redeemable for their face value in silver dollar coins or bullion. Key Facts for Identification
: The top of the note typically reads "Silver Certificate," and the bottom features a legend stating the amount is "payable to the bearer on demand" in silver. Blue Serial Numbers On Money
The market value of a blue-seal note depends largely on its condition, series year, and unique serial number features. Go to product viewer dialog for this item. Banknotes with and a matching blue Treasury seal