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| 正面描述 | Blue-grey underprint with a sweeping wave motif in two tones of blue accented by a green stripe across the centre. The Triton corporate logo appears at lower left, a directional arrow within a dark circular cartouche at upper left, and a large numeral "20" at upper right. |
|---|---|
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| 背面描述 | Identical blue-grey ground with the same wave and green-stripe underprint as the obverse. The Triton logo is repeated at lower left, the arrow-in-circle device at upper left, and the large white numeral "20" at upper right; a part number and website reference appear at lower right. |
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Triton Systems of Delaware produced these calibration notes for use in testing and aligning the cash dispensing mechanisms of their ATM units — they were never intended to enter circulation and carry no monetary value. The word "VOID" or equivalent non-negotiable markings were standard, specifically to prevent accidental or fraudulent use if a unit was serviced in a public-facing environment.
Collectors pursue these as ATM ephemera rather than currency proper. Triton was one of the dominant independent ATM manufacturers in the U.S. market from the 1990s onward, supplying heavily to convenience and retail locations.