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6 Centavos on Heacock's Manila Corner Card, 1933 to the U.S. |
6 Centavos on Denniston, Inc. Corner Card, 1930 to the U.S. |
2c Pair and 8c Single, 1933 12 Centavos Double Rate to the U.S. |
30 Centavos x 5 on Heacock's Manila Corner Card, 1936 Clipper Rate to the U.S. |
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