Overall in pale celadon tone. The lock form plaque carved in openwork style with scrolls and fu symbol, center with shallow relief carving of four characters "shou tong ri yue" on one side, and pine tree and village houses on the reverse. Qingdynasty. Size: 8.5 x 6.5cm (3 1/4 x 2 1/2 in.) Provenance: Chinese jades from the Ed Mirvish Estate, collected in the 1960s.