XI DE YAO (DATES UNKNOWN) [LEARN FROM DA QING IN INDUSTRY.] 1972. 30x20 3/4 inches, 76x52 1/2 cm. Jiang Xi Province People's Publishing House, Jiang Xi. Condition B+: creases in margins and image; tears, abrasions and light foxing at edges; tape on verso of upper edge. Paper.
![XI DE YAO (DATES UNKNOWN). [LEARN FROM DA QING IN INDUSTRY.] 1972. 30x20 inches, 76x52 cm. Jiang Xi Province People''s Publishing Hou](https://catalogue.swanngalleries.com/full//920\654920.jpg)