The open brass framework and flowing botanical forms of this brooch are hallmarks of the Art Nouveau period, which peaked between 1890 and 1915. The use of a c-clasp pin helps place it earlier in the timeline, likely pre-1920. Glass stones in bold hues like this saturated red were a common substitute for coral, a prized but increasingly scarce material during the era. Decorative bar brooches like this one were typically worn horizontally across high collars or at the center of a blouse, serving both as closure and ornamentation.