1950年改5.5元改400元新票十六方连1件,带右下厂铭直角边纸,最下一行(4枚),因遮挡加盖,“中国人民邮政”漏盖变体,保存完好,非常少见。 China Peoples Republic Peoples Republic Issue 1949 - 2017 : 1949 - 1966 Issue 1950 Surch. on Flying Geese, block of sixteen with lower right imprint margin, lower row 4 stamps missing China People Post variety, this is non constant variety, unused very rare.