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Hi Mari,
Thank you for your response. I have been going through a huge volume of an art restoration book and it is definitely not foxing or blooming, nor oxidizing either.
I used to buy Frederick primed canvas from art stores, and although the primer might have been less than ideal, it did have some on it. This leaves me to believe that the canvas must have gone through some sort of a stress to force the fibers apart, thus the holes. Since the fibers are no longer densely weaved, it would allow for the Liquin and the oils to seep through to the other side.
I think both you and Michael might be right in the assumption that this can lead to deterioration down the line. Whatever the cause for the seeping of the oils, I agree with you it's best to not work on it any further.
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