Where they were struck

72 of these coins can be traced to the ground they were made on — 30mints, from a wagon in Caesar’s baggage train to a granite building in Carson City. Where the site is disputed, the map says so rather than picking a winner.

Philadelphia Mint, Pennsylvania — 24 coinsRoyal Mint, Tower Hill, London — 6 coinsSan Francisco Mint, California — 6 coinsDenver Mint, Colorado — 3 coinsRoyal Canadian Mint, Ottawa — 3 coinsWest Point Mint, New York — 3 coinsHarare, Zimbabwe — 2 coinsMint of Finland, Helsinki — 2 coinsSaint Petersburg Mint, Peter and Paul Fortress — 2 coinsA mint moving with Caesar's army — 1 coinAmphipolis, Macedon — 1 coinCarson City Mint, Nevada — 1 coinCasa de la Moneda, Seville — 1 coinCasa de Moneda, Mexico City — 1 coinCasa Nacional de Moneda, Potosí — 1 coinConstantinople — 1 coinCyzicus, Mysia — 1 coinFlorence — 1 coinFrankfurt am Main — 1 coinGranada — 1 coinJerusalem, or Tyre — 1 coinKönigsberg (now Kaliningrad) — 1 coinMonnaie de Paris, Quai de Conti — 1 coinMytilene, Lesbos — 1 coinNew Orleans Mint, Louisiana — 1 coinPobjoy Mint, Surrey, England — 1 coinRome — 1 coinRoyal Danish Mint, Copenhagen — 1 coinSardis, Lydia — 1 coinSwiss Mint, Bern — 1 coin

Drag to pan; scroll, pinch, double-click, or use + / − to zoom. A dotted halo is the area we are four-in-five confident the coin was struck in — most mints are a single building, so most pins have none.

30 mints

Pick one to fly to it, or click a pin on the map.