Prints › Astronomy - framed Image 1 of 1 Astronomy - framed Sale Price: $80.00 Original Price: $100.00 Framed 8x10 gum bichromate over cyanotype on Hahnemuhle plat rag fine art paper. Add To Cart Added! Framed 8x10 gum bichromate over cyanotype on Hahnemuhle plat rag fine art paper.