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postage

1915 1915 issue ovpted on stamp of Middle Congo (no wmk info) (no perf info)

-

20c

brn & bl

ovpt, leopard

1922 ovpted on stamp of Middle Congo

-

20c

brn & bl

ovpt, leopard

1924 1924 issue ovpted on stamp of Middle Congo

X

20c

on 20c (4)

postage due

1928 1928 postage due issue

-

20c

1930 1930 postage due issue

-

20c

grn & brn

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