I didn’t realize, until I painted the grave of a comrade, that I was already dead. In fact, I had been dead for some time. I had died while jumping through a portal, and had been buried in the swamps of an alien planet.
This dream illustration in ballpoint pen, and over 120 like it, can be found in print form in my Book of Dreams (and Nightmares): Volume 1, available from Amazon (https://www.amazon.com/dp/1548199664).