>>4697894it's his most well known of his last self portraits and the one he said he captured it best, but I think the last one is of him sitting in an armchair, but I couldn't find it when I looked for the name 'portrait of the painter' from 1973, but the source it existed was old film of it at the end of the film in the first link here
>>4601634 so maybe that one is no longer considered the last self portrait, even though the one in the op was at least started years before his death, although he had been in bad health so he was becoming more and more fearful at that time