Authentic 1782 Mexico City silver 8 reales coin recovered from the legendary El Cazador shipwreck, featuring the portrait of King Charles III of Spain with the Latin legend CAROLUS III DEI GRATIA and the clearly visible date 1782 on the obverse. This historic Spanish colonial silver dollar was struck at the Mexico City mint, identified by the Mo mint mark, and represents one of the most iconic coins of the Spanish Empire during the late 18th century. The reverse displays the crowned Spanish coat of arms with the Pillars of Hercules flanking the shield, the classic PLVS VLTRA design, and the surrounding legend HISPAN ET IND REX, symbolizing Spanish rule over Spain and the Indies. The surface exhibits authentic sea-recovered patina consistent with verified shipwreck origin, adding powerful historical and collector appeal. Certified genuine under NGC Shipwreck Certification with documentation tying this piece directly to the El Cazador, a Spanish brig that sank in 1784 in the Gulf of Mexico while transporting newly minted silver from Veracruz to New Orleans. These Mexico 8 reales coins were the primary international trade currency of the era, circulating across North America, South America, the Caribbean, Europe, and Asia, and they directly influenced the creation of the United States silver dollar. This example represents Spanish colonial Mexico, Bourbon dynasty coinage, and late 18th century maritime commerce. Highly searched keywords include 1782 Mexico 8 reales, El Cazador shipwreck coin, Spanish silver dollar, pirate treasure coin, Spanish colonial silver, Mexico City mint 8 reales, Charles III silver coin, shipwreck treasure silver, NGC shipwreck certified coin, reales de a ocho, pillar dollar successor, colonial trade coin, Gulf of Mexico shipwreck silver, Spanish Empire coinage, Latin American colonial silver, New World silver coin, historical treasure coin, authentic shipwreck artifact, certified wreck silver, Mexico mint colonial coin, 18th century silver dollar, colonial currency artifact, Spanish colonial treasure, Caribbean shipwreck coin, verified maritime salvage coin, early world silver coin, silver cob alternative, Spanish colonial numismatics, global trade silver, early American commerce coin, unsearched shipwreck coin, numismatic treasure artifact, colonial Mexico silver currency, shipwreck recovery silver, Spanish fleet silver coin, historic bullion coin, royal Spanish mint silver, Spanish colonial 8R coin, real de a ocho treasure, El Cazador Mexico 1782 silver dollar, authenticated shipwreck numismatic specimen, collectible maritime history silver, certified underwater recovery coin, Spanish colonial trade route silver, genuine wreck provenance silver, museum-grade shipwreck coin. This unsearched El Cazador 8 reales stands as a tangible survivor of colonial trade routes, naval disaster, and global silver circulation during the Age of Sail, offering collectors a direct link to Spanish America, colonial Mexico, and the explosive growth of international commerce in the late 1700s.