1953 What kind of wine is it?

It refers to Kweichow Moutai produced that year.

Maotai liquor is a maotai-flavor liquor produced by Kweichow Moutai Distillery in China with a long history and excellent quality. Maotai liquor enjoys a high reputation for its unique sauce flavor, mellow taste and high collection value. It is called China's national wine and gift wine, and is also commonly used at diplomatic banquets in China.