Bank of England, M. Lowther, a set of 1999 issue including £5, £10, £20 and £50 with matching serial number 000129, prefixes EA01, KL01, DA01, J01, (EPM B381, B382, B384, B385), first run low number matching set, very minor handling, about uncirculated, rare (4 notes).
Estimate: £350 - £450