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postage
1972, Dec 30 1972 issue wmk. large sun & ROU (no perf info)
| - | 500p | gray | Artigas |
1990, Mar 23 portraits 1990 issue - portraits (1986)
| - | 500p | ver |
airmail
1970, Aug 24
| - | 500p | multi | Freedom Flag of 1825 |
1972, Feb 1 Olympics 1972 issue
| - | 500p | multi |
1974, Aug 20 World Population Year issue
| - | 500p | mar & ultra |
1974, Aug 30 Events and Conventions
| X | 500p | multi | ||||
| - | 500p | multi | — | — | ||
| - | 500p | multi | — | — | ||
| - | 500p | multi | — | — |
1975, May 16 Olympics 1976 issue
| - | 500p | multi | ||||
| - | 500p | multi |
parcel post
1974, Mar 7 1974 parcel post issue
| X | 500p | multi |
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