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postage
1928, May 1 1928 issue wmk. REPUBLICA O. DEL URUGUAY (no perf info)
| X | 17c | dkvio | Artigas |
1933, Aug 3
| - | 17c | vio | flag of the race |
1933, Dec 3 7th Pan-American Conference issue
| - | 17c | multi | albatross over map |
1934, Mar 23 1st year 3rd Republic issue
| - | 17c | brnvio & redvio | three stars |
airmail
1933, Dec 3 7th Pan-American Conference issue
| - | 17c | multi | (1934) |
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