Banknote References (BYB) are from The Banknote Yearbook. Two pinholes Crisp VF.
Royal Bank of Scotland, 2006, Twenty Pounds Note
£20 Twenty Pounds E03 407101 Queen Elizabeth II - William Shakespeare
£20 Twenty Pounds A34 882081 Queen Elizabeth II - William Shakespeare
£20 NOTE Bailey B402 P390b PMG 53 1999 Twenty Pounds Bank of England About Unc
aUNC/aUNC+ Bank of Ireland £20 Twenty Pounds 2017 Polymer Issue Northern Ireland
aUNC++/UNC- Bank Of England £20 Twenty Pounds 1984 Somerset Signed QE2