René Magritte
(1898 - 1967)

René François Ghislain Magritte  was a Belgian surrealist artist known for his depictions of familiar objects in unfamiliar, unexpected contexts, which often provoked questions about the nature and boundaries of reality and representation. His imagery has influenced pop art, minimalist art, and conceptual art.

https://en.wikipedia.org/wiki/René_Magritte

The Blank Signature
1965
Oil on Canvas
81 x 65 cm
The National Gallery of Art, Washington
https://www.nga.gov/collection/art-object-page.66422.html