Watch List notes:

Five Pounds O'Brien Lion & Key (2) a LAST & FIRST series prefixes pair of the 2 varieties B277 Shaded Symbol issue 1957 last series E19 328497 and B280 White Symbols issue 1961 first series H51 665401. A desirable and always attractive pair the first note in EF, the second VF-GVF

Estimate: 40-80 GBP