If the title claims that the paper was cut around 1674, I don't see the proofs anywhere. I see again a lack of critical thinking to spot available alternatives that are more logical, or a try to make the history more appealing.
This paper seems made by a machine, does not have any fungus on it and is white (after 350 years should be yellow). Chemical processes to keep the paper white and free of fungus attack weren't invented until 1850.
The floorboards may have 350 years, but the materials in those photos seem very 20th.
https://www.dailymail.co.uk/news/article-2111963/Schoolboys-...