Irish Banknotes

Northern Banking Company Limited, several reverse proofs and colour trials from around 1909-1912, comprising £1 (2), in blue and black respectively, £20 (2), in green and blue respective, and £100, in black, also an underprint proof for a £1 note, similar to those issued by the Northern Bank, some on card, some on paper, the green £20 proof on watermarked paper, most with pencil annotations, in differing states of repair but with one exception very fine or better, rare (6 items) £300-£400