Northern Ireland, Ulster Bank, £5, 2018, AA000004, the lowest number available as other notes in bank archive, PMI UB99, UNC

Bank of England (B214) Mahon, 10 Shilling & £1 parchment pair, 22nd November 1928, both with serial number A01 000084, complete with vellum envelope and original wallets, light handling but lovely paper, very rare and most desirable, A/UNC

£9,000.00

Jersey, £20 artwork, 1988, the Prince Charles portrait was engraved by I. Clipper and was never produced

£7,500.00

Ireland (P32b) The Northern Bank Limited, £1, 7th January 1931, PMG35, VF (the highest grade note so far)

£6,950.00

Malta (P30) £5, 1967, A/1 000002, Hogg signature, QEII, A/UNC

£4,500.00