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Source:
Colnect
Issued by:
Uruguay
Function:
airmail
Date:
1937
Issue:
Rio Negro Dam
Denom:
75c
Color:
violet
Design:
dam
(1937)
Watermark:
unwmk
Perf:
Catalog value:
Prev:
1941 68c viobrn
Next:
1p
External links:
Colnect 490487..m_on_Rio_Negro
