J B Page Portrait £1 B321 Replacement A Unc
These £1notes are Replacement notes, produced to replace notes damaged in production. They would have been inserted into packs and are identified by their prefix which usually contains the letter M. These are from the Portrait series when J B Page was Chief Cashier an the pregfixes could be either S-M, R-M or W-M (B321) Crisp AUnc.