Cleaning kit boxes.
Hello, I just purchased 18 car kits as a package, some are very rare. The question I have is they were stored in a basement, the environment was questionable at best. I am worried about mould and mouse dropping dust. there was no visible damage or marks/ stains on the boxes, just dust. They are in the trunk of my car right now, we will be going through a severe cold snap for the next several days so germs and such should be neuteralized. I would like to wipe off the dust on top of the boxes but I do not want to damage the art work.
Any suggestions would be welcome.
Thank you.