The first circle of zodiac stamps has been issued for 36 years. For the long time span, the existing single original stamp is scarce, especially existing post officesheet stamps. Due to rare sources and expensive prices, it is not easy for many enthusiasts to collect. However, this product can makeup this regret. The first circle of zodiac pure silver stamps, with prototype, original size and original number, has 12 editions in all, produced by Shanghai Mint Co., Ltd and issued by China Post Group Corporation. Using top precious metal double-sided ultra-thin die-casting process and color printing technique, it perfectly re-engraves the first circle of zodiac stamps issued from 1980 to 1991.