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Stamps of
Middle Congo
,
unwmk
watermark
List
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All issuers
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1 to 2 of 2
postage due
1928
1928 due issue
ovpted on stamps of
France
unwmk
p.
13
X
45c
grn
ovpt,
scroll
X
3fr
mag
ovpt,
scroll
1 to 2 of 2