CHINA 1932-34 Martyrs of the Revolution 40c orange, SG420aCHINA 1932 34 Martyrs of the Revolution, Peking printing 40c orange, SG420a. A stunning block of 9, with centre stamp showing major re entry with much of the design doubled, particularly visible in the 'sun' above Gen Hsing's head. Fresh unmounted mint with full original gum and vibrant colour. A quite astonishing find! A very scarce and interesting piece of Chinese philately and the first time we have handled. The Stanley Gibbons catalogue value is