**Lid seal:** Gu Jingzhou **Base seal:** Jingzhou handmade **Handle seal:** Jingzhou seal **Period:** Late 1970s --- **Lid seal:** Gu Jingzhou **Base seal:** Jingzhou handmade **Handle seal:** [seal mark] **Period:** Early 1990s --- **Base seal:** Suo Chang **Handle seal:** [seal mark] **Period:** Early 1990s --- **Shen**