Kasimir Malewich, Black Square, 1913
Source: De Stijl. [deel] 2. 1921_1932. Complete Reprint 1968. Amsterdam: Athenaeum, Den Haag: Bert Bakker, Amsterdam: Polak & Van Gennep, 1968, p. 261.
From Wikipedia: “This image was intentionally uploaded with a border. Please do not remove it. Upload a new version under a different filename without a border if you want a version without a border.”
You’re right. Whoever did it, adding a border was a fetching move. This is the best digitized version of Black Square yet.