PNG warns against ‘coin doctoring’

As part of its ongoing efforts to combat “coin doctoring,” the U.S.-based Professional Numismatists Guild (PNG) is urging all dealers and collectors to respect the heritage and historical significance of coinage.

To preserve the past to the fullest extent possible, both the PNG and its Canadian counterpart – the Canadian Association of Numismatic Dealers (CAND) – prohibit their dealer members from selling altered coins without fully disclosing all changes to prospective buyers.

“It has often been stated that money is history you can hold in your hands,” said PNG Executive Director Robert Brueggeman. “That history needs to be conserved and maintained, not deceptively altered without full disclosure. We want everyone to carefully preserve the past for all coins and notes.”

Similarly, if a CAND dealer is knowingly selling altered coins, they must “furnish the buyer with an invoice showing in detail the nature of such coins sold,” according to its code of ethics.

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