Hugo Simberg, The Garden of Death, watercolor and gouache, 1896
symbolism
Silent Sundays: Death as a Knight (1900)
Carl Strathmann, Der Tod als Ritter (Death as a Knight), circa 1900 (via Le Mort Joyeux)
Silent Sundays: La Mort (1915)
La Mort (Death), by Belgian symbolist artist Jean Delville, 1915.
The Year of Halloween 