Michalina (Mildred) (Wojtkiewicz (Whitcavage)) Widzicki (Vitchiski)
and her daughter Anna M. (b. 1912).
Anna married John J. Boyle about 1929, and died in 1999 in Whitemarsh, PA.

Postcard on back is dated 1923 with the studio's label.

Studio: F.A. Mack & Bro. - Pottsville, PA