Dates to the Art Deco era, circa 1920.
Crafted in solid 10K gold - light rose gold for the pin stem, fronted with green gold, and a white gold stone surround - and marked '10K' on the pin stem.
Shield or arrow motif, set with a single-cut diamond of approximately 2.5 points.
The stickpin measures 2.32" from end to end, with a top portion of 0.64" by 0.42". This piece weighs 1.2 grams.
Condition is very good, with no repairs. Minor bends to pin stem.