Stamps of Vietnam, 13.25x12.75 perf
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postage
1990, May 5 cats (1990 Vietnam) unwmk p. 13.25x12.75
| - | 3500d | multi | sheet | — | — |
1991, Feb 22 500th Anniversary of Discovery of America issue
| - | 6500d | multi | — | — |
1991, Sep 17 25th Anniversary of Posts and Telecommunications Research Institute issue
| - | 3500d | multi | — | — |
1992, May 14 European Football Championship 1992 issue
| - | 9000d | multi | — | — |
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