Joss paper paper is traditionally made from coarse bamboo paper, which feels handmade with many variances and imperfections, although rice paper is also commonly used. Traditional joss is cut into individual squares or rectangles. Depending on the region, Joss paper may be decorated with seals, stamps, pieces of contrasting paper, engraved designs or other motifs. Different types of spirit money are given to distinct categories of spirits. The three main types of spirit money are cash (also known as copper), silver and gold. Cash monies are given to newly deceased spirits and spirits of the unknown. Gold spirit money (jin) is given
Blotting paper however filter paper is usually used for litmus strips, generally to allow for the property of diffusion. Drugs active in microgram range, most notably LSD, are commonly distributed on blotting paper. A liquid solution of the drug is applied to the blotting paper, which commonly is perforated into individual doses and artfully decorated with what is known as blotter art. Vanity blotter is blotter art that hasn't been exposed to LSD and is usually sold as a collectible, although inevitably much of this art ends up in illegal distribution. The artwork is printed onto blotter paper and then sometimes perforated