年份：1980或1990年代
工序：熟茶
數量：廿二塊
總重量：約5342g
尺寸：約15x10x2.5cm
This batch contains 22 pieces of pu-er tea bricks measuring 15x10x2.5cm, all preserved intact with yellow paper, except for one piece that has a missing corner. In the 1960s, standardized mass production was adopted, covering everything from tea processing to tea sample purchases and quality inspections, ensuring a consistently high quality of the tea products.