Tintype in a paper case of three unidentified young women seated

This tintype (a) depicts three (3) unidentified young women seated and facing the camera. The woman at center is slightly in front of the other two. She wears a dark-colored dress with a lighter printed design and a pointed white collar. She holds a box or a thick book in her lap, and gilt is added to one of her left fingers and at the center of her collar. The woman at the right side wears a light-colored overdress with dark floral print design and a light-colored skirt with a ruffled hem. Gilt is added to an oval brooch she wears at her neck over a small rounded collar. The woman at the left side wears a white muslin blouse and apron over a light-colored skirt. Gilt is added to one of her right fingers and a red bow is colored in at her neck. All three women wear their hair pulled up at the back. Their faces have been hand tinted. The reverse is blank. The tintype is placed inside a paper envelope (b) with an oval-shaped window cut into one side. Gilt print lines the window and text below it reads "Patented July 8th, 1883".