R31/P31/普31, Chinese Birds《中国鸟》
P31/R31, Chinese Birds《中国鸟》 Stamp Title: Chinese Birds Serial number: R31-4 Values in set: 9 (3-1), Yellow-bellied tragopan, 80 fen, 27*38 mm (3-2), White-tailed Ground jay, 100 fen, 27*38 mm (3-3), Formosan blue magpie, 200 fen, 27*38 mm (2-1), Ala Shan Redstart, 420 fen, 27*38 mm (2-2), Tibetan Bunting, 540 fen, 27*38 mm Date [...]