Another problem with the plastic sleeves is that they do more harm to charcoal drawings than not. Static and the sliding in and out of the sleeves can be a real bugger. There's some fairly tasty ways of fixing / varnishing / lacquering drawings to make them resilient.
Another problem with the plastic sleeves is that they do more harm to charcoal drawings than not. Static and the sliding in and out of the sleeves can be a real bugger. There's some fairly tasty ways of fixing / varnishing / lacquering drawings to make them resilient.