Real photo postcard. Two young boys in a studio setting. Written on back: "Buffenmyer boys". Possibly Mark, Isaac or Samuel Buffenmyer, sons of Horace and Mary Buffenmyer.
Edith Hornberger Mohler, Anna Hornberger Goldthwait, William Buch Hornberger, and Elizabeth Hornberger Dommel with their father, Charles Killian Hornberger.