'

Face value: 20 points

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

Number of whole sheets (horizontal * vertical): 80 sheets

Perforation degree: 11.5

Printing version: engraving overprint

Designer: Lei Hanlin

Printing house: Beijing Stamp Factory ( Chinese Zodiac http:///shengxiao/)

Release time: January 5, 1991