{
  "schemaVersion": 1,
  "kind": "appraisily_article_fact_card",
  "canonical": "https://appraisily.com/articles/identification-antique-knife-makers-marks/",
  "title": "Antique Knife Maker Marks: Tang Stamps, Logos and Date Clues",
  "summary": "Read antique knife maker marks, tang stamps, logos, patent text, country marks, handle clues, and condition details before appraisal.",
  "modifiedAt": "2026-05-29",
  "evidence": {
    "faqs": [
      {
        "question": "How do I start antique knife maker marks?",
        "answer": "Start with clear photos of the whole antique knife maker marks, close-ups of marks, measurements, and any scabbard, case, ribbon, box, or paperwork."
      },
      {
        "question": "What details affect antique knife maker marks value most?",
        "answer": "Maker, age, originality, condition, completeness, provenance, and recent comparable sales usually matter more than a single visual clue."
      },
      {
        "question": "Should I clean a antique knife maker marks before appraisal?",
        "answer": "No. Cleaning can remove patina, markings, or finish that help establish age and market value. Photograph the item as found first."
      },
      {
        "question": "When is a written appraisal better than a free estimate?",
        "answer": "Use a written appraisal for insurance, estate, donation, resale documentation, or any decision where a signed value conclusion matters."
      }
    ],
    "auctionComparables": []
  },
  "limits": [
    "This compact card summarizes the canonical HTML article; cite the canonical HTML URL.",
    "Values are context-sensitive and can change with identity, authenticity, condition, provenance, completeness, venue, and date.",
    "Auction records are educational comparables, not an appraisal of a submitted object."
  ]
}