A Chinese calligraphic scroll

细节
A Chinese calligraphic scroll
in ink on paper with four vertical lines of calligraphy regarding an announcement for 'the common people' concerning the quantity of yearly crops and the state of the granary, stipulating that they should sacrifice vessels of the surplus millet and cash for peace and tranquility within the country -- 51in. x 25¼in. (129.5cms x 64cms), signed, two seals, one of Chen Tingjing.