China: Anhwei Province, 20 Cash, 1902, Copper, Rare with 3 Stars on either Side. NGC Graded AU DETAILS - EDGE FILING. (Y-37), This coin exhibits a rich mahogany patina with highlights of brown copper with a bold strike of the dragon as the centerpiece. Subtle edge filing keeping this lovely coin from a full AU to Uncirculated designation, while the coin retains sharpness in its lettering and design. An exceptional example that deserves a higher grade designation.