I guess it is an natural follow on from this:
They are providing digital images. No word about costs, though...
This ( http://www.artic.edu/aic/image_licensing/general_info.html ) says that non-commercial photography in available light is permitted...
Their standard policy on the website seems reasonable for a museum. The sign may be referring to a modern piece of artwork still covered under copyright?
Techdirt has not posted any stories submitted by shiroboshi.
Submit a story now.