October 19, 2021 Middletown High School, Middletown, Connecticut (Date Unknown) The Collotype Co. | Divided Back | c. 1908-1915
October 19, 2021 Heisen Building, Chicago, Illinois (1915) V.O. Hammon Publishing Co. | Divided Back | 1915
March 24, 2018 Drinking Spring, Grotto, Soldiers’ Home, Dayton, Ohio (Date Unknown) Standard Post Card Co. | Divided Back | c. 1907-1915
February 3, 2018 Gay Street Methodist Episcopal Church, Mount Vernon, Ohio (Date Unknown) Woolson Co. | Albertype Co. | Divided Back | Hand-colored | c. 1907-1917
January 15, 2018 West Federal Street, Youngstown, Ohio (Date Unknown) Harry H. Hamm | Erie, Pa. Series | Divided Back | c. 1907-1915
January 15, 2018 Carnegie Steel Works (Ohio Works), Youngstown, Ohio (Date Unknown) Harry H. Hamm | Eire, Pa. Series | Divided Back | c. 1907-1915
January 15, 2018 Republic Iron and Steel Works, Youngstown, Ohio (Date Unknown) Harry H. Hamm | Erie, Pa. Series | Divided Back | c. 1907-1915
January 15, 2018 Black Hand Interurban Tunnel, Zanesville, Ohio (1907) Hugh C. Leighton Co. | Divided Back | c. 1907
