Details: This poster shows five white horses coming over a wave which is breaking on a moonlit beach. There is a large full moon in the sky.
Astral is relating to stars or the realms one is said to perceive after death or during an out-of-body experience. The unicorn is a mythical beast with a single - usually spiral - horn growing out of its forehead. The unicorn's blood and horn supposedly have mystical healing properties. The modern popular image of the unicorn is sometimes that of a horse differing only in the horn.