General Post Office plaque 'Remove Receiver Before Ringing' GPO Sterling Telephones 1890 - 1926

A scarce original late Victorian period 'REMOVE RECEIVER BEFORE RINGING' small rectangular safety instruction plaque seen on early period wooden 'Sterling Telephones'. Good condition, original silver plate worn back to brass, reverse as original with silver plating.
Size approx 47 x 15mm.

Code: 68664