This SNCF 141B class of  2-8-2 originated with the P.O. Numbered by the P.O. as the series 5811 - 5960, all 150 examples were built by Alco during the period 1917 thru' 1919. They were subsequently numbered as 141 B 811 thru' 960 by the SNCF and all were allocated to the Sud Ouest region. It says a lot about their design that all bar one were still registered as active in 1957. The number of this example is, unfortunately, not legible although the location has been identified by members of the Ferrovissime forum as the dépôt at Saint-Sulpice-Laurière.
[Mke Morant collection]