Collection PL

Luxembourg 1970 — 100 Francs Archival Gridlines Calibration Specimen (Pick 56s, Serial D170001)

Archival calibration specimen of the 1970 one hundred francs issue of the Grand Duchy of Luxembourg, produced during the Belgian Luxembourg Economic Union period and printed by Thomas De La Rue & Company, London. Unlike standard specimen notes bearing placeholder serials, this example carries a live production-format serial number D170001, linking it directly to an active print batch within the manufacturing process. Across the full surface, original blue registration gridlines remain visible. ... Read more →

Luxembourg 20 March 1970 — 100 Francs Face Photographic Proof (Pick Unlisted, Grand Duke Jean)

Face-side photographic proof of the 1970 one hundred francs issue of the Grand Duchy of Luxembourg, produced as part of the final design validation process prior to full printing. This example presents the complete obverse layout in monochrome, mounted on archival cardstock, and retains full design clarity without color application. The note displays serial number A000000 in dual placement, consistent with specimen-format numbering used for internal production and review material. ... Read more →

Luxembourg 24 February 1970 — 100 Francs Back Photographic Proof (Pick Unlisted)

Back-side photographic proof of the 1970 one hundred francs issue of the Grand Duchy of Luxembourg, produced during the final design validation stage prior to full printing. The image is presented in monochrome and mounted on archival cardstock, preserving the complete reverse composition without color separation. A handwritten production annotation dated 24 February 1970 is visible along the lower margin, providing a direct reference to the internal review timeline. ... Read more →

Luxembourg 1970 — 100 Francs Specimen (Pick 56s)

Specimen of the issued 1970 one hundred francs type of the Grand Duchy of Luxembourg, bearing a red SPECIMEN overprint and circular punch hole cancellation across the central signature area. The note carries serial number A000000 in dual placement, consistent with specimen-format control numbering used for internal distribution and archival reference. The punch hole cancellation serves as the primary method of invalidation, physically rendering the note non-circulating while preserving the full design. ... Read more →

Luxembourg 1970 — 100 Francs Color Trial Specimen (Pick 56cts)

Color trial specimen of the 1970 one hundred francs issue of the Grand Duchy of Luxembourg, produced during the development phase of the Grand Duke Jean series. This example is executed in an alternative blue-toned palette rather than the green coloration adopted for circulation, representing a controlled press trial used to evaluate tonal hierarchy, engraving clarity, and denomination contrast. The note carries serial number A000000 33, applied within the standard specimen numbering format. ... Read more →

Luxembourg 1970 — 100 Francs Issued Note (Pick 56a)

Issued 1970 one hundred francs note of the Grand Duchy of Luxembourg, representing the finalized and circulating form of the Grand Duke Jean series within the Belgian Luxembourg Economic Union framework. This example, serial A143655, reflects the completed execution of a design system that balanced national identity with the technical demands of a shared currency environment. The note embodies the mature stage of late twentieth-century European banknote production. ... Read more →

United States ca. 1970s – Giori Test Note – Jefferson Center, Black Front / Greenback (Inverted Experimental Serial, With Watermark, PMG 64 EPQ)

Experimental intaglio test note printed around the 1970s by the Bureau of Engraving and Printing on the Giori multicolor press system. Named for engineer Giovanni Giori, these sheets were used to evaluate multi-plate registration, color density, and press alignment on machinery that would later define modern currency production. The design known as the Jefferson Center joins engraved portraits of Abraham Lincoln, Thomas Jefferson, and Ulysses S. ... Read more →

United States ca. 1970s – C.O.P.E. Experimental Test Note (Serial A82432955A, PCGS 65 PPQ Gem New)

Blank-format experimental note printed by the Bureau of Engraving and Printing during the 1970s as part of internal testing for the C.O.P.E. (Currency Overprinting and Processing Equipment) program. This machinery represented a major modernization step in U.S. ... Read more →

Cayman Islands 1970 — Cayman Islands Currency Board 1 Dollar Unissued Back Photographic Proof

This unissued photographic proof represents the back design prepared for the one dollar denomination of the Cayman Islands Currency Board during the late colonial monetary period around 1970. The object survives as a standalone design-stage artifact and documents a phase in which the reverse layout, ornamental balance, and security composition were evaluated independently as a complete surface in its own right. The Cayman Islands Currency Board operated within a conservative monetary framework characteristic of British Caribbean administration, where visual restraint, symmetry, and institutional clarity were prioritized in currency design. ... Read more →

Cayman Islands 1970 — Cayman Islands Currency Board 5 Dollars Unissued Back Photographic Proof

This unissued photographic proof represents the reverse design prepared for the five dollars denomination of the Cayman Islands Currency Board during the transitional monetary planning period around 1970. The piece survives as a standalone back design proof and documents a stage at which the reverse composition was evaluated independently before any finalized pairing with an approved obverse. The Cayman Islands Currency Board operated under a disciplined currency board framework derived from British colonial monetary practice. ... Read more →

Luxembourg Undated — 100 Francs Back Photographic Proof, Composition Study (Pick Unlisted)

Back-side photographic proof for the one hundred francs design of the Grand Duchy of Luxembourg, preserved as an archival working piece mounted on cardstock. This example represents an early composition study within the development of the Grand Duke Jean series, prior to final engraving and production alignment. The central vignette depicts the same bridge motif later used in the issued design, but rendered from a more distant viewpoint and within a broader spatial framework. ... Read more →