The vast majority of suffrage-related postcards in the United States were produced by commercial interests, such at the company that used the BS logo. It appears at least two series were produced by BS: S 199 (which has no trim) and CS 454 which has orange trim.
Palczewski suffrage postcard archive by Catherine Helen Palczewski. Please cite as follows:
Palczewski, Catherine H. Postcard Archive. University of Northern Iowa. Cedar Falls, IA.