Description
France 20 unit
Light Blue lab trial c1979
textured flat black plastic reverse
uncoded NO control
Early design prototype.
This card from the builder of the very first Optical reader Alex Nyfeler.
France 20 unit
Light Blue lab trial c1979
textured flat black plastic reverse
uncoded NO control
Early design prototype.
This card from the builder of the very first Optical reader Alex Nyfeler.
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