also handwritten on the card's back is the year 1874.
according to the International Encyclopedia of Dance, Marie Taglioni, the younger (or 'the second) danced for a while in Vienna where her grandfather, Filippo T. was balletmaster. the IED entry indicates that MT the younger, retired in 1866. perhaps the dating indicates the year the photo was sold? reprinted? or?
as the saying goes: no further information available.