Watch List notes:

Ten Shillings Mahon, B210 Red/Brown issue 1928, a first production run piece series Z01 746952, UNC and very scarce in this high grade, designed collectively by William Keesey and other experts inside and outside the Bank and printed at St. Luke's Works, Old Street, London on banknote paper by Portals Ltd with a watermark of wavy lines and helmeted Britannia facing right, this note is an absolutely brilliant example and quite desirable

Estimate: 800-1200 GBP