A pewter-encased Yixing teapot and cover Mid-19th century, Fan Shu Zeng sealmark, signed Chun Quan (2) - Bonhams,清乾隆茶叶末釉荸荠瓶六字篆书刻款, QIANLONG INCISED SIX-CHARACTER SEAL MARK AND OF THE PERIOD (1736-1795) | Christie's,天然糖塔祖母绿戒指Z1195,292KB,清乾隆茶叶末釉荸荠瓶六字篆书刻款, QIANLONG INCISED SIX-CHARACTER SEAL MARK AND OF THE PERIOD (1736-1795) | Christie's