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31 JULY 1906: TANAUAN, BATANGAS to MANILA 1/2 ounce rated Constabulary official mail with 1c 1903 Franklin with red O.B. Transit backstamped CALAMBA / LAGUNA / AUG 1 and same day MANILA entry alongside. |
6 APRIL 1906: MANILA to MALOLOS, BULACAN Franked with pair of 3c Jackson 1899 issue for six times rate, 3 ounces maximum weight. Backstamped MALOLOS the following day. RED PERIOD O.B. RECORDED ON ONLY EIGHT COVERS |
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