Need help dating a photograph

[Eli Pearson]

Hello,
   I found this photo in my great grandmother's pictures.  I found her mother's family in the Swedish records in Halland, but I have not been able to find her father's family.  They were not married until they came to the U.S.  Her father went by Louis N Wallen in the U.S., born 29 Jun 1870 in Sweden.  I suspect he is Niklas Ludvig Björnlund from Väte - I have no proof - but this picture makes me think I might be right because it comes from Visby. If it is him, the passenger list still has his name as Björnlund (actually they made a mistake and put Björklund) when he arrived in Pennsylvania.  Anyway, I was hoping that someone could help me date this photograph, so it might help me figure out who it might be a photo of.
Thanks for your time,

Eli Pearson
Jamestown, NY USA

`image{MaybeMariaJacobinaBjornlund1}

`image{MaybeMariaJacobinaBjornlund2}

[Stefan Dake]

The photographer, Anna Klintberg, was active at this address in Visby 1882-1891.
Any help?

[Eli Pearson]

Yes that is helpful, thank you Stefan.  I don't believe it is the woman I thought it was though because she was born in 1843.

[Eli Pearson]

Does anyone happen to know if these photographs changed in design over the time period from 1882-1891?  (Maybe the earlier ones look slightly different from the later ones.)  Also, does anyone care to make a guess about the age of the woman?  I am not very good at that - especially when looking at older pictures.  Thanks again, Eli