Understanding Watermarks, Letterheads and Provenance Clues
Launch library · evergreen read
Small physical features of a document, a watermark pressed into the paper, a printed letterhead, a particular typeface or printing method, can each help establish roughly when and where a document was actually produced, even in the absence of any explicit date written directly on the page.
These clues work best in combination rather than alone, since a single feature can be misleading on its own, but several consistent clues pointing toward the same period and origin together build a considerably stronger, more defensible case for a document's authenticity and rough date of creation.
Specialists in paper, printing and typography can assist considerably with this kind of dating when the stakes are genuinely high, and consulting one is a reasonable step whenever a document's authenticity or precise date matters significantly to the finished story, since a single misdated document can quietly pull an entire timeline out of alignment if left unchecked.