As you can see from following image, one of the volunteers was showing the limited edition of commemorative stamp for the 3rd China (Hunan) International Mineral Gem Show to the reporters. This limited edition was specially approved by China Post Stamp Collecting Corporation. There are four sets of stamps included in the edition. Each set includes 4 different characteristic stamps. One of the sets is marked with an elaborate designed Chinese character “贺”（ pronounced He, means congratulations） on the emblem of the mineral show. Rest of the three sets is mainly for the delicate minerals and gems, accompanying with some images of China roses. It was introduced that the edition was issued on May 21, 2015- the day of the opening ceremony of the mineral show. The total amount of the edition is 2000sets, each cost 50yuan.