old brown copper marble liquid texture paper background. grunge splashed watercolor acrylic gouache ink

old brown copper marble liquid texture paper background grunge splashed watercolor acrylic gouache ink paint parchment hand drawn pattern brush strokes art spots blank abstract aged ancient antique backdrop background banner blob brown canvas copper damaged dirty dye flakes gray grunge grungy history industrial material mesh monochrome old paint paper parchment pattern print retro rough rust rusted rustic rusty sepia sheet splash spot stain surface texture textured uneven vintage weathered yellow