How Trump Coins Became an Internet Sensation

Getting to the bottom of a modern mystery.

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The novelty coins are simple, glistening tokens of admiration for former President Donald J. Trump. They’re also one of the hottest products going.

There’s a style for every taste, each featuring a portrait of Mr. Trump. Sometimes he’s rendered in gold, staring thoughtfully into the distance. In others he’s smirking in silver, raising a thumb’s up, or even riding a missile while a bald eagle soars behind him.