Excuse me, how much are Lu Runxiang's works worth?

The latest market transaction price of Mr. Lu Runxiang's calligraphy couplets is:

The auction of Beijing Hanhai (2008- 10- 10) lot number is 0499 calligraphy couplet (169*37*2cm), and the transaction price is 10304 yuan; The unit price is about 1000 yuan/square foot.