Canada & U.S.. DuraNote ca. 1980-90s Uncut 20 Unit Progress Proof

US & Canada, ca. 1980-90s. Uncut sheet of 2 Progress Proof DuraNote Notes, 20 Units, Blue on white paper, wide margins, Portrait of a gentleman at left, Blank back. Choice Uncirculated condition. These were printed on white paper, not polymer paper. Watermarked paper with "Maple Leafs" and "Secure Design" as part of watermark. DuraNote polymer paper was a project started by Mobil Oil to find a replacement for banknote paper. (2)

Stima:€313.7

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