Napoleon 40 Francs

What never fails to intrigue me about the Napoleon 40 Francs gold coin is its exact weight of 12.9 grams of pure gold, a direct result of the 1803 monetary reform that standardized the franc on the metric system.

That precision wasn't just for show; it helped stabilize an economy battered by revolution and war, though the coins themselves saw limited circulation outside France. Minted in Paris and occasionally at other sites like Bordeaux, they featured Napoleon's profile on the obverse, drawn from neoclassical designs that echoed Roman emperors—his way of claiming legitimacy. Records from those years are spotty; we know production peaked around 1810, but exact figures vanished in the chaos of later conflicts.

I've handled dozens of these over three decades, and let me say, the myth that they were all melted for jewelry is overblown—they held their value as bullion more than as art. As for a quip, well, Napoleon probably wished he could mint loyalty as easily as these coins.