Authentication
辨伪指南
Step-by-step methods to identify genuine Chinese stamps and detect forgeries. Covers watermarks, perforations, paper types, and security features.
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Preservation
保存方法
Proper storage techniques, humidity control, album selection, and handling methods to maintain stamps in pristine condition for generations.
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Grading Standards
评级标准
Understanding stamp condition grades from Mint to Used. Learn how centering, perforations, gum, and color affect value.
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