This is calligraphy paper from the Nihon Kyoiku Shodo Kenkyukai (Japan Education Calligraphy Research Association). The sheets have come loose from the bundles. Second photo: Hard-pen paper E, bundle (48 sheets) Loose sheets (2) Third photo: Hard-pen paper E, bundle (49 sheets) Loose sheets (1) Fourth photo: Hard-pen paper D, bundle (50 sheets) Fifth photo: Hard-pen paper E, bundle (11 sheets) Loose sheets (39) These are old-style hard-pen papers, and I'm offering them for sale hoping they can be used as practice paper. Thank you for looking.