Locomotive 20 of the CFS - Caminho de Ferro do Sueste (Southeastern Railway) at Tavira, in the Algarve Railway, in Portugal. This photograph was taken between 1905, year of the inauguration of the Tavira station, and 1927, when the Caminhos de Ferro do Estado (State Railways), which the Caminho de Ferro do Sueste was part of, were integrated in the Companhia dos Caminhos de Ferro Portugueses (Company of the Portuguese Railways).