Bank of England, C.P.Mahon, a parchment pair comprising 10/- and £1, ND (22 November 1928), serial numbers A01 000089, red and green respectively, Britannia at left, value at right and in tablet at low left, complete with original vellum envelope with title 'Bank of England 22 November 1928' and plastic slip-cases for the 10 shillings and the £1(EPM B214), in an excellent state of preservation and very rare (2).
Estimate: £6000 - £8000