| Stamp SN | B331 |
| Stamp Name | Com.331 120th Anniversary of the Chinese Postal Service Commemorative Souvenir Sheet |
| Stamp Cat Standard | Commemorative Stamps |
| Stamp Cat | Post && Telecommunications |
| Issue date | 2016-03-18 |
| Suspersion date | |
| Dimension of stamps(mm.) | 46 × 28 (mm) |
| Size of souvenir Sheet (mm.) | 100 × 69 (mm) |
| Printer | China Color Printing Co., Ltd. |
| Drawer | |
| Designer | Up Creative Design and Advertising Corporation |
| Photographer | |
| Engraver | |
| Creative Director | |
| Sheet composition | |
| Print color | Colorful |
| Process | Offset |
| Paper | Phosphorescent stamp paper |
| Back | |
| Perforation | 13 |
Cachet:
A commemorative cachet will be available at post office branches throughout the country on the issuing date of the stamps.