Photo measures about 4x5". It is from a 1903-04 photo album. It is Sepia tone on a thinner type of photo paper. I believe it to be a Woodburytype or carbon print photo, but not totally sure. See pics for condition.

1903 Original Sepia Photograph Railroad Sheds National Railroad of Tehuantepec Coatzacolos Mexico Pearson & Co. AC7