Hi Leon,
Given that they are prints on very thick textured paper, if they were mine, and important, irrespective of what advice I was given for a quick fix, I would take them out of their tubes and let them slowly and naturally uncurl somewhat, rather than potentially result in some microcracking of the surface image due to the paper thickness.
The paper has been in the curled state for a long time and has undergone many thermal cycles which has helped set it's curled state.
Before putting it under weights, forcibly uncurling it, steaming it/adding humidity or whatever fix is recommended and you ultimately decide upon let it try to uncurl as much as possible by itself perhaps changing its position, on end on side etc.. Daily indoors.
Then when it's unfurled somewhat, do your thing, as you will have somewhat lessened the degree of curvature and difference in fibre states in the paper.
Be patient if you can.
Best
JA
Last edited by JA; 25-10-2021 at 09:05 AM.
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