CHINA 1947 (North China: Shanxi-Hebei-Shandon-Henan Border area) $20 rose-red, 'Second Anniversary of Victory over Japan', perforated, SGNC137a.
A very fine mint example and rarely found unused and in such fine condition.
Image: Zhu De and Mao Tse-tung
The Stanley Gibbons catalogue value is £900.