QIANLONG SIX-CHARACTER SEAL MARKS IN IRON-RED WITHIN DOUBLE SQUARES AND OF THE PERIOD (1736-1795)

A Qianlong-marked stem bowl of the same size and decoration, in the collection of the Tianjin Museum, is illustrated in The Complete Works of Chinese Ceramics - 15 - Qing, Shanghai, 2000, no. 83. For a photograph of numerous identical stem bowls, shown in situ for use in ritual offerings in the 'Hall of the Sun Buddha', see Cultural Relics of Tibetan Buddhism Collected in the Qing Palace, Beijing, 1998, pp. 267-7.