»L.M. Ericsson Skeleton Telephone
370/AC100«, c. 1890
Marked on the base: "L.M. Ericsson & Co., Stockholm", swiveling microphone support, carbon-granule micro-phone, Bell-type earphone, double-bell, lightning
protection, handcrank, wallfitting. Very good original condition with nice transfers on the base.
Reserve: 2,800/US$ 3,840