: This is a unique identifier within the database. It typically encodes metadata such as:
: Archives like the National Archives or JSTOR Images use similar long-form serial numbers for digitized documents. lex004002014614104.jpg
: The latter half identifies the specific position of the image within that issue or the total sequence of the collection. : This is a unique identifier within the database
: If you have the file or its URL, you can use Google Lens or Yandex Images to find the original webpage where the photo is hosted. : If you have the file or its
: Confirms the file is a standard JPEG compressed image . Likely Content and Sources
: This often refers to a specific collection or institution. In many archival contexts, "LEX" is associated with the LEXIS/NEXIS databases or, more specifically in image archiving, the L'Illustration (a French weekly newspaper) digital archive, where thousands of historical images are indexed using this alphanumeric format.