Harvey G. Stack, the patriarch of the family firm that bills itself as the nation's largest rare coin business, died on Jan. 3 in New York. He was 93.

His death was confirmed by his son, Larry.

Mr. Stack joined Stack's Rare Coins as a teenager in 1947, 14 years after his father and uncle transformed what his great-grandfather had founded in 1858 as a foreign exchange house in Lower Manhattan into a dealership devoted exclusively to collectible currency.

he wrote in a history for the company.

The firm begun in the 19th century by his great-grandfather Maurice got into numismatics as a sideline, buying and selling collector coins and currency in addition to its primary function in foreign exchange.

He drew a distinction between coin collectors, whom he courted assiduously, and investors.

he told The Times in 1977.

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Harvey G. Stack, Leading Dealer in Rare Coins, Dies at 93(https://www.nytimes.com/2022/01/22/business/harvey-g-stack-dead.html)