Congregation Sons of Israel, Marshalltown, IA, USA, 95 plaques total.
Synagogue was at 211 West Church Street. Congregation disbanded in 1985 and the building was sold.
See attached "History" boards. Yizkor board currently in the Jewish Historical Society in Des Moines.
Data and photos courtesy of the Iowa Jewish Historical Society (https://www.jewishdesmoines.org/).
First history board.
Second history board.
Overview of plaques.