Sawbuck and the Roman numeral X (10), which formerly appeared on $10 bills. A "double sawbuck" is a twenty dollar bill. Sawbuck A sawbuck is a device for holding wood so that it may be cut into pieces. Easily made in the field from rough material, it consists of an "X" form at each end which are joined by cross bars below the intersections of the X's. The stock to be cut is placed in the V's formed above the intersections of the X's. A sawbuck is very simple to build. The five "V" sawbuck was designed with 10 vertical 2×4s,
Banknote These notes are credited as the first modern banknotes. The first short-lived attempt at issuing banknotes by a central bank was in 1661 by Stockholms Banco, a predecessor of Sweden's central bank Sveriges Riksbank. These replaced the copper-plates being used instead as a means of payment. This banknote issue was brought about by the peculiar circumstances of the Swedish coin supply. Cheap foreign imports of copper had forced the Crown to steadily increase the size of the copper coinage to maintain its value relative to silver. The heavy weight of the new coins encouraged merchants to deposit it in exchange