Someone harshly cleaned this quarter, while NCS conservators professionally removed debris from this 1857 double eagle. (Photos: Heritage Auctions [Quarter] & Numismatic Guaranty Company)
Someone harshly cleaned this quarter, while NCS conservators professionally removed debris from this 1857 double eagle. (Photos: Heritage Auctions [Quarter] & Numismatic Guaranty Company)

Listen to “To Clean or Not to Clean?”

Published December 8, 2023 | 3 min read

By Kevin Wang