The medal's obverse bears the original telephone in its wooden frame. Around, THE ORIGINAL TELEPHONE OF / ALEXANDER GRAHAM BELL
The reverse bears inscription, IN / COMMEMORATION / OF THE GOLDEN / ANNIVERSARY OF / THE INVENTION OF / THE TELEPHONE BY / ALEXANDER GRAHAM BELL / IN 1876 / WHACH WAS THE / BEGINNING OF THE / BELL SYSTEM
Alexander Graham Bell invented the telephone in 1876 and the company resulting from his invention ruled the telephone market as a monopolist until its breakujp was mandated in 1982. Since then innovations like VOIP (voice over IP) have started posing existential threats to the remaining phone companies.
The circular medal measures 63.7mm in diameter and was struck in bronze.
This medal is woefully scarcely documented. Neither designer nor mint are known and I could not find any additional information. Please contact me if you know anything about this medal.