PR China Stamp A1 & A2 Air Mail Stamps 10 Mint, 1 CTO & 2 Used 航1 航空邮票（第一组) & 航2 航空邮票（第二组）

Serial No.: A1&A2 Sc#C1-5/?; Years: 1950/1957

Sell in this package and Stamp Grades: A1 (5-1) 2 mint, A1 (5-2) 2 mint, A1 (5-3) 5 mint, A1 (5-4) 1 mint, A2 (4-2) 1 CTO, A2 (4-3) 1 used, A2 (4-4) 1 Used; 13 stamps in total.