普洱茶的"身份证"：如何通过唛号辨别品质与年份？
对于普洱茶爱好者来说，了解普洱茶的"身份证"——唛号系统至关重要。这套数字编码体系不仅能帮助消费者辨别茶叶品质，还能追溯生产信息。
What is a "Mark Number"?
In Cantonese, "mark number" (唛号) originally meant "trademark" or "brand". In the tea trade, it refers to a numerical code used to identify specific tea products, also commonly known as "tea coding".
普洱茶唛号的组成：
1976年规范化的4位数饼茶编码：
• 前两位：生产工艺年份
• 第三位：主要毛茶原料等级
• 第四位：茶厂编号（昆明1，勐海2，下关3，普洱4）
例如7542表示：1975年勐海茶厂生产的以4级茶菁为主的普洱茶。
Composition of Pu-erh Mark Numbers:
The standardized 4-digit code for cake tea established in 1976:
• First two digits: production year
• Third digit: primary tea leaf grade
• Fourth digit: factory code (1 for Kunming, 2 for Menghai, etc.)
For example, 7542 means: Pu-erh tea produced by Menghai Tea Factory in 1975 using primarily grade 4 tea leaves.
辨别普洱茶年份的4种方法：
- 包装辨识：观察外包装纸、内飞等纸质材料的老化程度和印刷特征
- 外形特征：早期手工压制茶外形不匀整，现代机械压制茶更规整
- 品质变化：随存放时间增加，汤色变红，滋味更醇，香气更陈
- 原料配比：不同年代原料分级和配比技术有显著差异
4 Methods to Identify Pu-erh Vintage:
- Packaging Identification: Examine aging characteristics and printing features of wrappers and neifei
- Physical Characteristics: Early hand-pressed teas are irregular, modern machine-pressed ones are uniform
- Quality Changes: With aging, liquor color turns redder, taste mellows, aroma becomes more aged
- Raw Material Blending: Significant differences in grading and blending techniques across eras
重要提示：茶青等级数并非决定普洱茶价格的唯一因素，有些粗老原料的茶价格可能更高。
Important Note: The leaf grade number isn't the sole determinant of Pu-erh's price - some coarse-leaf teas may command higher prices.
通过系统了解普洱茶的唛号体系和鉴别方法，茶友们可以更专业地选购和品鉴普洱茶。
By systematically understanding Pu-erh's mark number system and identification methods, tea enthusiasts can select and appreciate Pu-erh more professionally.
