10-09-2016, 11:09 AM
(This post was last modified: 10-09-2016, 11:12 AM by Helmut Winkler.)
Did you think of red wine? Common drink at the time, there are poems of scholars craving for it and stains are notoriously difficult to remove and alcohol is a very good solvent. And I have not seen many such stains, people took care of their books
PS: I know this kind of stains, with me it is tea
PS: I know this kind of stains, with me it is tea


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