An unusual London Dome Style ear trumpet with an inverted dome. Made from plated metal (possibly brass but their is no loss of the plating to be sure about this). The rubber earpiece is original and in good condition and detaches from the stem via a smooth metal joint (see photos).
The base has an attractive double metal mesh grille. The inverted dome has a central loop for attaching the earpiece around the users neck. Marked “EARPHONE PAT’D USA MAY 4 1880 PAT’D CANADA MARCH 11 1881 S. NORTH SYRACUSE NY”. Also marked 2 of 839.