<p>Comparison of fields from local Commons Template:Artwork and appropriate statements for Wikidata items for paintings, slide from a presentation about adding art catalogs to Wikidata. The "notability" of this specific painting used as an example is not in question, because the artist is Jan Davidsz de Heem, a notable painter whose works are in the Public Domain – theoretically we want all of his works on Wikidata and probably also on Wikipedia. 
Same for notable collections and same for notable copies of notable paintings (extra reference for original version)
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There are lots of ways to model paintings further on Wikidata, this just orients you according to the artwork template on Commons. For works under copyright, there’s nothing on Commons, so let’s try to give links on Wikidata out to an image somewhere, like in a public collection, or an art catalog.
<a href="//commons.wikimedia.org/wiki/User:Jane023" title="User:Jane023">Jane023</a> (<a href="//commons.wikimedia.org/wiki/User_talk:Jane023" title="User talk:Jane023"><span class="signature-talk">talk</span></a>) 09:09, 15 November 2017 (UTC)
<span class="int-own-work" lang="en">Own work</span>