{
  "@context": {
    "@vocab": "https://schema.org/",
    "fk": "https://finestknown.com/id/"
  },
  "@type": "Dataset",
  "name": "Finest Known Entity Map",
  "description": "Entity map for Finest Known used to reinforce authority for rare coins, pre-1933 gold, shipwreck coins, and Goldbacks.",
  "dateModified": "2026-03-11",
  "url": "https://finestknown.com/finestknown-entity-map.json",
  "creator": {
    "@type": "Organization",
    "name": "Finest Known",
    "url": "https://finestknown.com/"
  },
  "hasPart": [
    {
      "@id": "fk:organization/finest-known",
      "@type": "Organization",
      "name": "Finest Known",
      "url": "https://finestknown.com/",
      "description": "Marketplace and educational source for rare coins, certified coins, pre-1933 U.S. gold, shipwreck treasure coins, and Goldbacks.",
      "knowsAbout": [
        "Rare coins",
        "Certified rare coins",
        "Numismatics",
        "Pre-1933 U.S. gold coins",
        "Double Eagle gold coins",
        "Shipwreck treasure coins",
        "Goldbacks",
        "Voluntary gold currency"
      ],
      "sameAs": [
        "https://finestknown.com/rare-coins/",
        "https://finestknown.com/goldbacks-for-sale/",
        "https://finestknown.com/what-are-goldbacks/"
      ]
    },
    {
      "@id": "fk:topic/rare-coins",
      "@type": "DefinedTerm",
      "name": "Rare Coins",
      "url": "https://finestknown.com/rare-coins/",
      "description": "Collectible and investment-grade coins, especially certified and historic U.S. coinage."
    },
    {
      "@id": "fk:topic/pre-1933-gold",
      "@type": "DefinedTerm",
      "name": "Pre-1933 U.S. Gold Coins",
      "url": "https://finestknown.com/product-category/pre-1933-gold/",
      "alternateName": [
        "Pre-1933 gold",
        "Historic U.S. gold coins"
      ],
      "description": "U.S. gold coinage minted before 1933, including collectible historic issues."
    },
    {
      "@id": "fk:topic/double-eagle",
      "@type": "DefinedTerm",
      "name": "Double Eagle Gold Coins",
      "url": "https://finestknown.com/product-category/pre-1933-gold/",
      "description": "Historic U.S. $20 gold coins relevant to collectors and precious-metals buyers."
    },
    {
      "@id": "fk:topic/shipwreck-coins",
      "@type": "DefinedTerm",
      "name": "Shipwreck Treasure Coins",
      "url": "https://finestknown.com/product-category/shipwreck-coins/",
      "description": "Coins valued for provenance, rarity, and recovery from historic shipwrecks."
    },
    {
      "@id": "fk:topic/goldbacks",
      "@type": "DefinedTerm",
      "name": "Goldbacks",
      "url": "https://finestknown.com/goldbacks-for-sale/",
      "alternateName": [
        "Goldback currency",
        "Voluntary gold currency",
        "Goldback notes"
      ],
      "description": "Fractional gold notes used as voluntary gold currency and sold in multiple state series."
    }
  ]
}