From the Ebay write-up
This key was used at the main train in Ecuador which was developed by the liberal president "Eloy alfaro", he had the great ideal of comunicate the whole country via the train, so he brougth people for build the train rails and trains....
It was used around 1900. The route of the first trains were from Milagro, a city in the coast to Quito, the capital of my country
It is a rare piece, it have the pannel shown in the picture and the key
Also I�m including a cap used by the telegraph manager