Catalog
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| Issuer | Siemens Nixdorf Informationssysteme AG |
|---|---|
| Year | |
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| Shape | Rectangular |
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| Obverse description | Test/specimen note produced by Siemens Nixdorf Informationssysteme AG, with the left portion left blank white and the right two-thirds occupied by an elaborate rose-pink guilloche underprint of radiating fine-line bands converging from the upper centre toward the lower right. The numeral 500 appears in large grey-rose figures at lower left, with a vertical inscription MUSTERBANKNOTE running along the right margin. The legends MUSTERBANKNOTE, TEST NOTE, and SPECIMEN are overprinted diagonally in red at upper centre within the guilloche field. |
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| Obverse lettering | MUSTERBANKNOTE TEST NOTE SPECIMEN Siemens Nixdorf Informationssysteme AG |
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| Comments |
Siemens Nixdorf produced these "Musterscheine" — specimen training notes — for use in calibrating and testing currency-handling machines, particularly automated cash dispensers and sorting equipment. They were never legal tender and never intended to be. The 500 denomination was chosen to match the physical and optical characteristics of high-value notes in contemporary circulation, allowing machine calibration without using real currency.
Printed in limited quantities for internal and client use, these rarely left corporate or banking-equipment environments. Survivors in collector hands usually arrived via industrial surplus channels after equipment was decommissioned.