Stamps of Argentina, United Nations Conference on Environment and Development issue
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postage
1992, Jun 6 United Nations Conference on Environment and Development issue unwmk p. 12
| - | 0.38p | multi | — | — | ||
| - | 0.38p | multi | — | — | ||
| - | 0.38p | multi | — | — | ||
| - | 0.38p | multi | — | — |
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