Scanned from a stereoview from the 1880's
The "Palais du Trocadéro" in Paris, built for the 1878 World's Fair it was demolished in 1936 to make way for the " Palais de Chaillot" in the 1937 Exposition Internationale
The card is marked Popular Series with no indication of publisher or photographer, a good indication that the card is a contemporary bootleg, a common practice during that era