Bank of England Lowther 10 and 20 pounds 1999 issues (12) in consecutively numbered sets/pairs and most about UNC - UNC comprising 10 Pounds QE2 & Charles Dickens B382 (2) with a last series prefix LA12 752954 & LA12 752955. Along with 20 Pounds QE2 & Sir Edward Elgar B386 issues (10) including a first series prefix AA09 759006 & AA09 759007 along with AD22 900308 - AD22 900310 and AE19 337692 - AE19 337696.
Estimate: 240-290 GBP