Belfast Banking Company Limited, watermarked papers (3) as used on all £1 notes issued between 1922 an 1940, and also papers (3) as used on all £5 notes issued between 1923 and 1966, glued into black thin card frames, ink annotations on frames and paper, as produced, rare (6 papers)
PMI BB 61-71 for types £360-£420

Provenance: These items are directly from the Portals Paper Archive