French Wall Telephone
»Ader«, c. 1880
Marked on brass plate and handset: "Système Ader",
serial no. on telephone: 21794, on handset: 61780.
A rare and very early model to the telephone history!

Estimate: € 800/1,500
US$ 1,050/1,950
Reserve: € 650/US$ 845

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