British Caribbean Territories, watermarked papers as used on Elizabeth II issues of 1954 onwards, featuring Elizabeth II in profile, wavy lines and solid security thread, glued into blue card frames, ink annotations on paper, as produced, rare, these being the only examples of this watermark in the Portals Archive (3 papers)
BNB B107b+-B112b+, Pick 7b+-12b+ £150-£200

These papers come directly from the Portals Paper archive