The posts are repoussée starred buttons and the free-swinging drops are diamond-shaped conchas. The stamping is busy and meticulous. These are large, but they are made from light gauge Sterling so they don't weigh too much. Classic!
Hallmarked Harold J and stamped STERLING on the drops.
Starred button posts: 1" diameter
Diamond concha drops: 2" x 2"
Total hang: 3 1/8"