My Masterpiece (in Spanish, Mi Obra Maestra) is a 2018 Argentine film, directed by Gastón Duprat.
The movie focuses on Arturo (Guillermo Francella), an art dealer with a gallery in Buenos Aires, and his relationship with the curmudgeonly and socially awkward painter Renzo (Luis Brandoni).
Although highly renowned, Renzo struggles to sell new works as they are out of fashion and he stubbornly refuses to change his style.
However, a large group of industry figures gathers at a sombre ceremony, and sees a video in which Renzo starts by saying 'if you are watching this, I am already dead'.
Following Renzo's death, his artworks once more become highly sought after, and Arturo sells his remaining stock at inflated prices.