Common, scarce and rare Small Size Notes (U.S. currency; paper money) at Mintmark.com.

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". . . 1929: Under series of 1928, all U.S. currency was changed to its current size and began to carry a standardized design. All variations of the $100 bill would carry the same portrait of Benjamin Franklin, same border design on the obverse, and the same reverse with a vignette of Independence Hall. The $100 bill was issued as a Federal Reserve Note with a green seal and serial numbers and as a Gold Certificate with a golden seal and serial numbers . . ." — United States one hundred-dollar bill at Wikipedia