Is there a way of completely sealing a charcoal drawing on paper with spray resin varnish so that it could be handled without losing any of the detail? - Quora

I darkened this drawing with charcoal pencil. The charcoal seem to rub off very easily on the sheet (soft white sketchbook sheet). What is the best way to keep/store this without it

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Is there a way of completely sealing a charcoal drawing on paper with spray resin varnish so that it could be handled without losing any of the detail? - Quora