{
  "file": "clervaux-1885-engraving.jpg",
  "subject": "Château de Clervaux, from British Library digitized books collection, c. 1885",
  "source": "Wikimedia Commons (British Library Mechanical Curator collection)",
  "source_url": "https://commons.wikimedia.org/wiki/File:Pg424_Ch%C3%A2teau_de_Clervaux.jpg",
  "source_url_direct": "https://upload.wikimedia.org/wikipedia/commons/thumb/b/b1/Pg424_Ch%C3%A2teau_de_Clervaux.jpg/1280px-Pg424_Ch%C3%A2teau_de_Clervaux.jpg",
  "license": "Public domain",
  "license_url": "https://commons.wikimedia.org/wiki/Template:PD",
  "rights_holder": "Public domain",
  "attribution": "British Library Mechanical Curator collection, c. 1885 (book illustration)",
  "date_taken": "c. 1885",
  "url_verified_at": "2026-05-12",
  "basis": "Published before 1929; public domain in all jurisdictions"
}