Four interesting shaped tenkoku (seal carvings). The first is a vertical four-character seal reading "Kyuko Jissen" (Practice and Implementation). The second is a round seal with the four characters "Ushō Umu" (Existence Arising from Nothingness). The third is a uniquely shaped seal with a string attached, reading "Mei Zai Ten" (Fate is in Heaven). The fourth is an oval seal with white-space characters reading "Hansō Shūchiku" (Half-Window, Bamboo). Each seal is stamped with vermilion ink and accompanied by an explanation.