Bucks & Oxon Union Bank, Ltd., Buckingham, 18-- overprinted 190(0), pay to Bearer, red oval duty stamp, printed by Blades East & Blades, black on buff, unused.
Bucks & Oxon Union Bank, Perkins Bacon Printer's Proof, pair of cheques, Thame & Aylesbury branches, still attached, circa 1870, pay to Bearer, very fragile paper.