The Landis & Gyr optical card system was used from 1987 to 1993, and later replaced by chip technology. The cards issued in that period were 6, always in pairs of two values, 60 and…

Before moving to the chip system, Cape Verde used Landis & Gyr technology for the public telephone network, issuing, from 1990 to 1993, only 5 card models. Four of these were ordinary cards with the…

The history of card-based telephony in this West African country is not very long. Phones provided by Landis & Gyr were installed in 1988, and the first cards were issued. These were the classic optical…

The first card used in Morocco is a Landis & Gyr of 100 units, issued back in 1983, and is very rare given that only 4,000 were produced. Strangely, after this issue no others followed…

The first card phone system installed on this island was provided by Landis & Gyr, along with a series of four cards all with 212K code and the same image. The values were 10, 20,…

Guinea-Bissau, one of the smallest states of continental Africa, has not issued many cards. The first were produced by Landis & Gyr, a system that was used from 1991 to 2002, when the phones with…

The first three cards issued in this country were also the only ones provided by Landis & Gyr, as the chip system was subsequently adopted. These are three values, 10, 20 and 50 units, which…

The first cards used in Benin were 2 values, 50 and 120 units, produced by Landis & Gyr and issued in 1990 with code 009B. The two cards had runs of 4,000 pieces each and…

The first telephone system adopted in Algeria was provided by Landis & Gyr, which also produced a 50-unit green card with a 1.5 mm optical band. The card was printed in only 5.567 copies and…

Landis & Gyr optical cards went into circulation in Tunisia in 1983 and used for several years; the first issue includes three red ordinary cards without notch, with a paint-type print, and face values of…