Press-molded buttons made by Becky Brown in the late 1930's or 1940's, shown slightly enlarged. Molds were carved by Karl Martz, who also formulated the glazes. Left: Becky in 1938 wearing a dress with such buttons.

Backs of buttons had single holes for sewing.

Press-molded buttons made by Becky Brown in the late 1930's or 1940's, shown slightly enlarged. Molds were carved by Karl Martz, who also formulated the glazes. The orange glazes likely contain uranium.
Collection of the Becky Brown.