long feng tuan bing
(as the teaspring bing
is called in the description) is believed the ancestor of oolong. But real long feng tuan tradition was lost long time ago (or, I guess, out competed by other teas). This seems a modern redemption, in light of the hot puerh market (that's just what I guess
There are some ever existing oolong bricks though, as mentioned in one of the links herb_master mentioned in his post. For example, I've never had this one, zhang ping shui xian, but have been wanting it for a while
It's a 8g small cake.