1948 Kwangtung Posts and Telegraph
A group with the pair mint, both with variety misplaced surcharge, used ($50 on 1f. defective) and $10 on 2f. used with variety characters in the incorrect order. (5)

Details
A group with the pair mint, both with variety misplaced surcharge, used ($50 on 1f. defective) and $10 on 2f. used with variety characters in the incorrect order. (5)
Yang AD41-42; S.G. NE54-55, JPS LD44-45