The 2020 Summer Sale - Sale 333 Day 3

1960-1964 C78 15th Anniv of Liberation of Hungary, C90 1911 Revolution and C104 Workers of All Countries sets with imprint margins,
all postally used. Very difficult group. VF-F.
1960至64年纪78匈牙利、纪90辛亥革命、纪104无产阶级联合旧全，均帶廠銘，十分难得。上品。