Original WWI-era patriotic sweetheart brooch featuring four Allied nation flags in cold enamel on brass. Depicts the United Kingdom (Union Jack), France, Belgium, and Russia — the core Allied powers of 1914. No maker mark visible. A classic Great War collectible.
- Type: Brooch / patriotic sweetheart pin
- Design: 4 crossed flags — Union Jack (UK), French tricolour, Belgian tricolour (black/yellow/red), Russian tricolour
- Closure: C-clasp bar pin (intact)
- Era: WWI, circa 1914–1918
- Material: Cold enamel on brass
- Condition: Good used — enamel intact, brass shows age patina, pin functional
- Collector appeal: WWI militaria, Great War sweetheart brooches, Allied nations, British/Canadian collector market