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postage
1948 1948 issue unwmk p. 14
| X | 6e | ltgrn | caravel |
1966, Dec 28 Manuel Bocage 200th issue p. 11.75x12
| X | 6e | Bocage |
1970, Jun 5 Oporto refinery opening issue p. 13.5
| - | 6e | multi | catalytic cracker |
1972, May 1 Europa 1972 issue - Europa stars p. 13.25
| - | 6e | grn & multi | Europa stars |
1972, Oct 5 Brazil independence 150th issue (no perf info)
| - | 6e | multi |
1973, Apr 30 Europa 1973 issue
| - | 6e | multi | Europa posthorn |
1973, Jun 25 Ministry of Communications (Portugal) 25th issue p. 13.5
| X | 6e | multi |
1975 1972 phosphor issue - scenic (1972) (no perf info)
| - | 6e | multi | Leca do Balio Monastery | — | — |
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