Prints › Goodbye, Horses Image 1 of 3 Image 2 of 3 Image 3 of 3 Goodbye, Horses $200.00 8x10 gum bichromate over cyanotype on Arches Platine fine watercolor paper. Quantity: Add To Cart Added! 8x10 gum bichromate over cyanotype on Arches Platine fine watercolor paper.