Catalog
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| Issuer | De La Rue (Thomas de la Rue & Co.), London, United Kingdom |
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| Year | |
| Type | Log in to see details |
| Value | 20 Dollars 20 USD = EUR 17 |
| Currency | Log in to see details |
| Composition | Log in to see details |
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| Obverse description | White ground with sweeping purple and teal wave lines across the centre; left panel carries a photographic vignette of assorted US coins. Denomination numeral "$20" appears in a dark teal circle at upper right, with the De La Rue cameo logo at lower right. Disclaimer legend at lower left in small Latin script. |
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| Obverse lettering | Want to turn your customers' spare change into low-cost deposits? This note has no monetary value. For demonstration purposes only. $20 De La Rue |
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| Comments |
Calibration notes of this type were produced by De La Rue for internal press registration and color-matching purposes — not for any issuing authority. They circulate among collectors precisely because they were never meant to leave the factory. The $20 denomination and format mimic a generic anglophone banknote convincingly enough to serve their technical purpose without referencing any real currency.
De La Rue has printed currency for well over a hundred governments since the nineteenth century, and these test pieces occasionally surfaced through employee channels or were sold off in bulk after machinery upgrades made specific calibration runs obsolete.