Dated 1979, 29x39 cm. Oil on canvas. Depiction of an opera scene. Signed in the upper left corner. Wood frame. Provenance: Swiss private collection, purchased from the family of the artist in Hanoi 2008. 落款日期1979年,29x39釐米。 帆布油畫,戲劇場景圖,附落款簽名於畫作左上角,木框裝裱。