Hold on to the combination of three, achieve new victories

坚持三结合, 夺取新胜利
Jianchi sanjiehe, duoqu xin shengli
Hold on to he combination of three, achieve new victories
1968
Shang gong si bayi geming weiyuanhui / Shanggongsi August 1st Revolutionary Committee (上工司八一革命委员会)
53x77.5 cm.
BG E12/607

The worker holds a chop with the character 印 - as used to stamp on documents to make them 'official'.