Are Dark Tide Relics shipwreck coins authentic?

Every shipwreck coin and artifact sold by Dark Tide Relics is authenticated and accompanied by provenance documentation from recognized authorities such as the Mel Fisher Maritime Heritage Society, NGC, or PCGS, plus a permanent digital provenance record via TreasureCheck.ai.

Which shipwrecks does Dark Tide Relics specialize in?

Dark Tide Relics curates artifacts from the Nuestra Señora de Atocha (1622), Santa Margarita, the 1715 Spanish Treasure Fleet, El Cazador (1784), SS Central America (1857), Maravillas, Concepción, and other documented Spanish colonial and American Gold Rush wrecks.

How are orders shipped?

All orders ship via FedEx, fully insured and with adult signature required on delivery.

Does Dark Tide Relics buy shipwreck coins from collectors?

Yes. Dark Tide Relics actively acquires authenticated shipwreck coins and collections. Submissions can be made through the Sell Coins program at darktiderelics.com/sell-coins.

Unknown Shipwreck Coins

Lost: 1650
Location: Undisclosed Location, Caribbean
Coordinates: 25.0000, -79.5000
Era: Spanish Colonial – Shared Cargo System
Coinage: cob
Cargo: Silver cobs, Sea-found period coinage

Sea-found coins recovered from the ocean floor whose host vessel has never been positively identified. The salt encrustation, surface patina, and metallurgy make it clear these are genuine shipwreck artifacts — but the ship herself remains a mystery.

History

These are unmistakably sea-found artifacts. The encrustation, corrosion patterns, and surface state on each coin are consistent with prolonged seawater immersion — diagnostic markers that maritime archaeologists and numismatic graders use to confirm a shipwreck origin. What we cannot confirm is the vessel itself. Many of these coins were recovered during licensed salvage operations on sites that have never been positively tied to a named ship in the historical record. Without a surviving manifest, bell, or hull feature to anchor an identification, the wreck stays anonymous even when the coins are fully authenticated. The metallurgy and style suggest mid-17th-century Spanish colonial origin in most cases — cobs struck at New World mints during the height of the treasure fleet system — but the story of how each coin reached the seafloor remains untold.

Recovery

Coins in this collection were recovered from the seafloor during survey and salvage operations across the Caribbean and adjacent waters. Each piece carries the unmistakable signature of long submersion — encrustation, dissolution patterns, and corrosion consistent with a shipwreck site. The vessels they came from, however, have never been conclusively identified. That ambiguity is part of the appeal: every coin is a tangible fragment of a story still waiting to be told.

Notes

Confirmed sea-found by encrustation and corrosion signatures
Host vessel has never been positively identified
Most pieces are consistent with mid-17th-century Spanish colonial cobs