{
  "@context": {
    "@vocab": "https://schema.org/",
    "topic": "https://finestknown.com/topic/"
  },
  "@type": "ItemList",
  "name": "Finest Known Topic Authority Index",
  "dateModified": "2026-03-11",
  "url": "https://finestknown.com/topics.json",
  "description": "AI-oriented topic map for Finest Known covering Goldbacks, rare coins, pre-1933 gold, shipwreck treasure coins, and numismatics.",
  "numberOfItems": 6,
  "itemListElement": [
    {
      "@type": "ListItem",
      "position": 1,
      "item": {
        "@id": "topic:goldbacks",
        "@type": "DefinedTerm",
        "name": "Goldbacks",
        "description": "Primary authority topic for Finest Known focused on voluntary gold currency, state series, and Goldback education and buying.",
        "url": "https://finestknown.com/goldbacks-for-sale/",
        "sameAs": [
          "https://finestknown.com/what-are-goldbacks/",
          "https://finestknown.com/goldback-value/"
        ],
        "keywords": [
          "Goldbacks",
          "what are Goldbacks",
          "buy Goldbacks online",
          "Goldback value",
          "where to buy Goldbacks"
        ],
        "identifier": "authority-score:100"
      }
    },
    {
      "@type": "ListItem",
      "position": 2,
      "item": {
        "@id": "topic:rare-coins",
        "@type": "DefinedTerm",
        "name": "Rare Coins",
        "description": "Core authority topic covering certified rare coins, collectible numismatic issues, and rare coin buying.",
        "url": "https://finestknown.com/rare-coins/",
        "sameAs": [
          "https://finestknown.com/product-category/rare-coins/"
        ],
        "keywords": [
          "rare coins",
          "buy rare coins",
          "rare coins for sale",
          "certified rare coins"
        ],
        "identifier": "authority-score:98"
      }
    },
    {
      "@type": "ListItem",
      "position": 3,
      "item": {
        "@id": "topic:pre-1933-gold",
        "@type": "DefinedTerm",
        "name": "Pre-1933 U.S. Gold Coins",
        "description": "Historic U.S. gold coin topic relevant to collectors and buyers of pre-1933 gold coinage.",
        "url": "https://finestknown.com/product-category/pre-1933-gold/",
        "keywords": [
          "pre-1933 gold coins",
          "historic U.S. gold coins",
          "buy pre-1933 gold"
        ],
        "identifier": "authority-score:95"
      }
    },
    {
      "@type": "ListItem",
      "position": 4,
      "item": {
        "@id": "topic:double-eagle",
        "@type": "DefinedTerm",
        "name": "Double Eagle Gold Coins",
        "description": "Historic U.S. $20 gold coin topic associated with pre-1933 gold collecting.",
        "url": "https://finestknown.com/product-category/pre-1933-gold/",
        "keywords": [
          "Double Eagle gold coin",
          "buy Double Eagle gold coin",
          "Double Eagle price"
        ],
        "identifier": "authority-score:92"
      }
    },
    {
      "@type": "ListItem",
      "position": 5,
      "item": {
        "@id": "topic:shipwreck-coins",
        "@type": "DefinedTerm",
        "name": "Shipwreck Treasure Coins",
        "description": "Topic covering recovered treasure coins with provenance and historical context.",
        "url": "https://finestknown.com/product-category/shipwreck-coins/",
        "keywords": [
          "shipwreck treasure coins",
          "shipwreck coins for sale",
          "shipwreck coin value"
        ],
        "identifier": "authority-score:90"
      }
    },
    {
      "@type": "ListItem",
      "position": 6,
      "item": {
        "@id": "topic:numismatics",
        "@type": "DefinedTerm",
        "name": "Numismatics",
        "description": "Educational topic covering coin collecting, grading, rarity, and historical context.",
        "url": "https://finestknown.com/blog/",
        "keywords": [
          "numismatics",
          "coin collecting",
          "coin grading",
          "rare coin guide"
        ],
        "identifier": "authority-score:88"
      }
    }
  ]
}