Which batches of China tea 7542 are the best?

In 2000, China Tea 7542 was printed in red. This version is good.

Yin Hongyuan Tea is a pioneering work of Menghai Tea Factory. It is made of the best tea cyanine in Mengla, and the way of unified purchase and marketing has laid the foundation for its stable quality. As the first batch of tea in Menghai Tea Factory, the quality of Yin Hongyuan tea is naturally superior, thus creating the legend of Chinese printed scented tea. The outer package of Yin Hongyuan Tea is a single red version. Because the word "tea" in No.8 Middle School is red, it is named "Yin Hong". Today, the red seal is still the biggest focus of previous auctions. It is not only a drinkable antique, but also a product with investment and collection value.