Rare 1920's Antique Cigarette Case/Money Holder

A highly unusual silver-plated, engraved and enamelled cigarette case in the form of $100 dollar bill, the case bearing the image of Benjamin Franklin to the centre (series of 1928), and the facsimile signatures of W.O. Woods (Treasurer of the United States from 1927-1929) and A.W.Mellon (Secretary to the Treasury from 1921-1932). On the reverse is an ornate engraving of Independence Hall. On the interior is the original elastic and an engine turned interior. Length of case: 7 inches (17 cm).