The local state-owned Maotai liquor trademark ended in 1987. The production date of this bottle should be in the lower right corner of the back label, which is light blue. Now it can only be confirmed as before 1987, between 1982 and 1985. The price of a good-quality model was around 30,000 yuan, and the market price from 1985 to 1987 was 10,000 to 15,000 yuan.