Shop › Psychic Window - Original 16”x20” Image 1 of 4 Image 2 of 4 Image 3 of 4 Image 4 of 4 Psychic Window - Original 16”x20” $300.00 Original watercolor painting- 16”x20” on 140 lb. (300gsm) arches cold-pressed paper - deckled edge. Add To Cart Added! Original watercolor painting- 16”x20” on 140 lb. (300gsm) arches cold-pressed paper - deckled edge.