Specialists in the colonial coinage of Spanish America as well as shipwreck coins and artifacts of all nations. In addition to publishing several catalogs per year, Mr. Sedwick is a regular vendor at major international coin shows, including FUN, CICF, and ANA.

Services Offered



• Sales from a broad inventory of gold and silver Spanish colonial, Latin American coins and shipwreck cobs & artifacts.

• Floor and online Auctions: we are specialists in Spanish colonial, Latin American and shipwreck coins (including ingots and artifacts), we have exclusive clientele worldwide and extensive knowledge and experience.

• Auction representation and advice at most world-coin auctions, we have been part of building many important collections and we always keep looking for collectors that seek professional advice to grown in many areas.


• Authentication and certification. (restrictions apply)

• State-of-the-art coin conservation.



Daniel Frank Sedwick. Photo credit John Christopher Fine 2009


AUTHENTICATION AND CERTIFICATION: Our verbal opinion is always free (usually you can bring your items in person to most important coin shows around the country) You can always consult via email, text or whatsapp and send photos of the proposed material for sale or research.  We offer printed certification services in certain cases for example If you require a certificate or any other documentation (e.g., a court affidavit), however, the fee is based on the material and whether is done in person or shipped to us. (restrictions apply) Not all items are applicable, if we need further research we can always set-up an appointment.

APPRAISALS, CATALOGING, AND/OR CONSULTING: These services are available for a fee per hour or per day, plus expenses (if away from our office) please inquire, services fees varies depending on the work involved.


AUCTION COMMISSION BIDDING: Can't make it to the sale you want to bid in? Afraid that you will overpay for something or underbid and lose the coin you want? We are at your service for most major coin auctions (in our field) in the U.S. throughout the year. For a standard fee we will inspect the lots you want to bid on, advise your bidding strategy, and execute your bids safely and anonymously. 

CONSERVATION: We offer professional coin and artifact conservation, particularly for coins recovered from shipwrecks. Rates are hourly and might vary depending on the work. Our method is proprietary and proven, but not all pieces are ideal for our service, so please understand that we cannot be responsible for the results, which may not always be reversible.



Daniel Frank Sedwick, LLC Professional numismatists specializing in the colonial coinage of Spanish America, shipwreck cob coins and artifacts of all nations. Daniel Frank Sedwick, LLC Professional numismatists specializing in the colonial coinage of Spanish America, shipwreck cob coins and artifacts of all nations.


Daniel Frank Sedwick, LLC

P.O. BOX 1964 | Winter Park, Florida 32790

Phone: 407.975.3325  |  Fax: 407.975.3327


We welcome your order, want lists, comments, material for sale or consignment and suggestions.

Please send email to: office@sedwickcoins.com


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