I was wondering if on the attached images it is the mold/fungus spores at the marked places. I presume if this is the case I need to isolate or even destroy the item… What do you think?
Thank you. I am specifically concerned about the one on the left side. It looks rather reddish and wide. Is there a second or third opinion from someone in the forum?
I might think in the line of a substance that came in contact with the block ( oily food or liquid particle). The bottom center stain I would say is definitely a contact stain. I have seen old rubber bands leave a similar type of stain.
More like "age spots" originally in the paper by appearing at a later time caused by oil, dirt , etc., as explained by several other posts. Do not attempt to remove, Akommar... that will damage the gum and may cause problems on the printed side.
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Posted 03/02/2021 07:32 am
