Chinese, cultural revolution plates, depicting Mao Tze Tung

Lot of antique , Chinese, cultural revolution plates, depicting Mao Tze Tung , cultural revolution slogans.
Cultural revolution period.
One plate depicting Mao wearing a typical gray jacket, other plate depicting the younger Mao, a red guard and other communist symbols. First one has signs of waer at the front and signs of aging at the bottom. Other one has signs of aging at the bottom.
Size : first one D 30 cm, other one D 28 cm