Hudson Valley Numismatics

Questions & Answers

Ask Marc Rosner — ANA-certified numismatist — your coin and currency questions for free.

Most inquiries we get are about circulated coins made after 1971 where people mistake post-mint damage and wear for errors.

Ask Marc a Question

Marc personally reviews and answers every question. Most responses within 1–3 days.

We'll notify you when Marc replies. Never shared.

Include as much detail as you can — the coin, its markings, condition, and where it came from.

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By submitting, you agree that Hudson Valley Numismatics may publish your question and Marc's answer on this page as a reference for others. Your personal information is never displayed publicly.

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We identify items, determine value, and make an offer on the spot. Appointment-only — we are all yours when we meet.

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(914) 649-3317 (833) THE-COIN (833) 843-2646

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