Curiously, scholars who write about the Holy Grail, such as Margaret Starbird have turned to a 19th century Scottish scholar, Harold Bayley who theorized that watermarks were secret signs of pre-Reformation Protestant mystic or gnostic groups sects known in France as Albigeois and Vaudois and as Cathari or Patarini in Italy.
By the time that printing from moveable types is developed in 1450, the tradition of watermarking paper is already two centuries old (Hunter 1943, 261)
The term water mark is fairly modern.
The 50 Reichsmark features the portrait and watermark of 19th centuryPrussian politician and banker David Hansemann. The backfeatures a portrait of Mercury and two small children. Thedesign does not include a swastika. The note is dated March30, 1933, which is one week after Hitler assumed control overGermany.
The 20 Reichsmark note dated 1929 portrays Ernst WernerSiemens, the 19th centuryGerman industralist and inventor who founded the Siemens A.G.
The poorer grades were made of old and discarded materials and yielded a light coffee color to light Grey.
Bleaching was not known unto the early 19th century (Hunter 1943, 225) so papermakers had to depend on using only fine fibers for the pulp.