Peking-printed seven colour palette trial in complete sheet of 50,
with perf shifted variety. Very rare in this
Peking-printed seven colour palette trial in complete sheet of 50,
with perf shifted variety. Very rare in this format.
北京郵票廠七色環印樣票版票50枚，帶齒孔移位變異。版票相當稀罕難得。
