||United States Fractional Currency � Double Hinged "Jacob's Ladder" Billfold, Ca. 1860s-1880s. Very Fine. A choice condition "Jacob's Ladder" double-hinged billfold, as Eric referred to these, and rarely seen in this impressive state. Included are 5 and 10 cents Postage Currency notes that, with single flip of the case, could disappear. A beautifully made example with leather exterior and purple satin interior. The interior bands to hold the notes in place are made of finely patterned silk. The gilt stamped cover has the numeral "5" above the curving "Postage Currency, and the upside-down "10" below. The back has the gilt "25" at top and upside down "50" at bottom. Opened dimensions are approximately 9.0 cm by 7.0 cm. These are rarely encountered, and this is especially attractive. Ex: Eric P. Newman Numismatic Education Society.
From Newman X (Heritage Auctions, November 2018), lot 20501, realized $408.