Four types of Factory-Cards exist and samples shown under FA1 and FA2 are courtesy from Landis & Gyr. Cards never exit the factory of Zug (Switzerland) and were destroyed when the factory closed in March 2006. The optical geometry of each Factory-Card is perfect and the production costs of such material was high. Factory-Cards of a structure were used to control the quality of Public-Cards with same structure.
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For each system of countries, 26 sets of cards were produced (from "set #A" to "set #Z") with 5 cards in each set (for example card #A-1 to #A-5 for the "#A set" - cards were mostly numbered per hand).
Such cards always bear the number of the structure (Stu. 1 to 26) in the middle front of the card.
Such cards always bear the number of the structure (Stu. 1 to 26) in the middle front of the card.
Country code is visible on the left of the optical track.

Settings-Card for countries with Structure 11 (Stu. 11)
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FA2 - "Monitorings-Cards / Überwachungs-Karten"
For each system of countries, 26 sets of cards were produced (from "set #A" to "set #Z") with 5 cards in each set (for example card #A-1 to #A-5 for the "#A set" - cards were mostly numbered per hand).
Such cards always bear the number of the structure (Stu. 1 to 26) in the middle front of the card.
Front-color of the card is the official color awarded by Landis & Gyr for the card's country/system :
GREEN for England (Stu. 07), YELLOW for Austria (Stu. 08), RED for Switzerland (Stu. 03), etc...
GREEN for England (Stu. 07), YELLOW for Austria (Stu. 08), RED for Switzerland (Stu. 03), etc...

RED-BORDEAUX Monitorings-Card for Taiwan with structure 15 (Stu. 15)
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Tests of high/low temperatures, oxydation, crash and bits erasing had to be performed and shown to the customer before mass production.

Israëli Commissioning-Card for testing correct erasing of bits on Full-Face-Printing cards
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FA4 - "Undefined-Cards" (to be developped)
Such cards include all ones which were produced for strict internal trials inside the factory of Zug (Switzerland). Undefined cards have designs and structures which do not match together.

Undefined-Card, without design, without country code and without Control Number