5/8" Brass Scalloped Southwest Umbrella Repousse button WN213B
Brass, domed, 8 'petals' button; the shank is about as high as the button; see photo. Made by hand by a respected New Mexico button artisan. Highest quality, very pretty, traditional, Southwest button with a slight sheen. The color isn't a bright brassy brass; it's a little subdued but still reads as brass. This shape is called umbrella repousse.
5/8" diameter and about 1/4" thick with shank. Shank loop opening is about 4 mm.