Overview
A genuine 1812 gold 40-franc coin featuring the laureate head of Napoleon I, which has been historically converted into a wearable brooch.
1Identify
Preliminary identification
Napoleon I 40 Francs Gold Coin Brooch, c.1812
Photo reference
2 uploaded photos
Story
1812 stands as one of the most pivotal years in European history, the same year Napoleon led his Grande Armée on their ill-fated invasion of Russia.
Maker / Origin
The portrait was designed by Jean-Pierre Droz, a legendary Swiss-born engraver who was a favorite of Napoleon.
Condition & Value
The coin shows significant honest wear and surface pitting consistent with being worn as jewelry for many decades. The value is anchored by the significant gold content (roughly 0.37 oz of pure gold) and the historical date.
Research
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This could merit a closer professional appraisal if condition, maker, or provenance points turn out to be stronger than the quick read suggests.