One sheet of deadstock blotter art, a deformed triangular blotter featuring a bald eagle used in the American flag. It has 8 rows, with a total of 64 triangular blotters, each side approximately 8cm in size. Each sheet is divided into triangular blotters, with 15 at the base, 13 in the second row from the bottom... an arithmetic sequence of 11... This blotter sheet has excellent printing and storage condition. You can tear off the triangular blotters one by one with your fingers. This product will be: ・Wrapped in an aluminum package to prevent moisture, ・Placed in a cardboard envelope to prevent bending, and carefully packaged for shipping. The origins of blotter art date back to the 1960s when acid dealers sought to differentiate and highlight their products, leading to the branding of beautiful blotter sheets as art, which then began to circulate in the market. The regulations of American law at the time influenced why this printed and perforated paper, the blotter sheet, was chosen as the medium. After 1970, the legal hobby of collecting unused blotter "art" flourished, and the artwork became even more sophisticated. In the 80s, a private museum of blotter art called III was established in San Francisco. Today, blotter art is collected as a field of applied art. How about a gift or for your collection? Originally printed with vegetable ink on blotter paper (blotter sheets) made to soak up psychedelics, and perforated. The perforations also have their own unique characteristics, providing clues to identify each maker. Blotter art is an established genre of art. Discounts are available for multiple purchases. Please view the items by selecting "on sale" under the hashtags below. Please comment if you are interested. Of course, this is an art piece and does not contain any compounds. #hofmann_blotter #blotterartjapan #blotter_triangle