People's Bank of China, 1st series renminbi, 1948-49, 1000 yuan, 'Narrow Two Horses Ploughing', 7 digit variety, 4507733 III IV II,(Pick 810b2), PMG 58 Choice About Uncirculated and a scarcer type. On careful inspection there are no central folds, just corner fold.
Estimate: 40000 - 60000