Resolutely carry out the highest instruction: Go all out to annihilate the invading enemy.

坚决执行最高指示: 全力以赴, 务歼入侵之敌.
Jianjue zhixing zuigao zhishi: Quanli yi fu, wu jian ruqin zhi di.
Resolutely carry out the highest instruction: Go all out to annihilate the invading enemy.
1969, December
Shanghai renmin meishu chubanshe (上海人民美术出版社)
78x107 cm.
BG G2/678

The 'instruction' is in Mao's handwriting.