Sharp 1/6th Size Tin Type of Older Woman in Black Case includes Hair For Sale

Up for consideration is an antique photo of an older woman. From my understanding, it is a tintype as it is printed on a piece of tin metal. It is in a black case with a clasp on the side. Underneath the picture are pieces of hair. The glass has a small piece missing on bottom left side. Picture is crazed and has wear as shown in photo. The case measures 3 5/8" x 3 1/4". I am not an expert on civil war era photography so please ask if you have any questions. I tried to show condition and details of photo to the best of my ability.