Isle of Man Bank Limited, watermarked papers for £1 and £5, as used on later notes between the mid 1950s and 1961, the same as previous watermarks but with the addition of the denomination at left and right, glued into blue card frames, ink annotations on frames and paper, as produced extremely rare, this being the only example of each in the Portals archive (2 papers)
IOMPM M282, M283, M289 for probable range of types £200-£260

Provenance: These items are directly from the Portals Paper Archive