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postage
1912 Ceres issue ovpted on stamp of Portugal unwmk (no perf info)
| X | 60c | bl | ovpt, Ceres |
parcel post
1921 ovpted on stamp of Portugal p. 12
| X | 60c | dkbl | ovpt, Mercury & Commerce |
postage due
1922 ovpted on stamp of Portugal p. 11.5x12
| - | 60c | graygrn | ovpt, numeral |
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