Thanks Randy. Based on other images and the dress, that picture was taken about 1885.
Here is a close-up of the gun, which may have been her Cashmore
A "Schultze" and "E.C." ad from 1902, likely taken at the same time
A younger Annie with what is very likely one of her Lancasters
Annie’s guns threads
https://members.boardhost.com/lcsmit...602936778.html
https://www.doublegunshop.com/forums...&Number=582204