Thank you for submitting your item for appraisal. The first painting, bodycolour on black background apparently depicts the asian version of bodhisattva Kannon or Guanyin 水月觀音圖, associated with mercy and compassion. The waves represent the troubles of life. The two japanese paintings of samurai on horseback are signed 玉榮 (?), the seal is not legible. Each were painted in the first half of the 20th century by unknown commercial artists. The estimate is based on similar acutally sold at auction. The estimate is for the three paintings. Asking prices in the trade are usually higher and can vary.