Group of Fractional Currency Banknotes and Ten Postage Stamps, 1862-1876. In denominations of 1, 3, 5, 10, 15, 20, 25 dollars and 50 cents, and including two Bank of Cumberland in Portland, Maine attached banknotes, each with "SPECIMEN" overprint in red indicating they were not intended for circulation (5.875 x 7 inches) (18)