Four Vintage Push Buttons in Silver, Guilloche Enamel, and Quartz

Circa 1930s, including two domed forms with guilloche enamel decoration, the bases marked "STERLING" with pattern number and worn maker's marks; the third an oval form in carved amethyst, unmarked; and the fourth an octagonal form in carved rose quartz with silver tone mount, unmarked.

Tallest 1 1/2 x 2 1/8 x 2 1/8 in.

Guilloche forms no longer retaining wiring; some scratches to silver.