Face value: 20 points

Stamp size (transverse * vertical) : 26 mm * 31 mm

The whole number * vertical (horizontal) : 80

Perforation degree: 11.5

Printing bottle: engraving overprint

Designer: LeiHanLin

Printing: Beijing YouPiaoChang (Chinese zodiac /shengxiao/)

Release time: on January 5, 1991