Chinese Emperor Hongli (Qianlong) reign period was 1736-1795. Mark of his reign is still in use by porcelain makers. On later pieces is usually used four characters mark, which ommits Da Qing dynasty name.
This mark is probably from 1950s. Qianlong Nian Zhi mark was often used in 1960s and 1970s on pieces decorated in Hongkong.
Xian Feng Nian Zhi porcelain mark *made in the year of Xianfeng reign). The Xianfeng emperor ruled in the 1831 - 1862 period but this mark is dated for second half of the 20th century.
Chinese figure mark with inscription You Xian Ju Jianzhi, which means 'Supervised and Produced in the House of Leisure'. Dated for last quarter of the 20th century.
Hand-painted decoration Made in China (Zhongguo Zhi Zao) second half of the 20th century mark