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20 NOVEMBER 27: MALOLOS, BULACAN to MANILA, Using 1c Franklin green on blue 1903 postal envelope with blue O.B. on the indicia. Backstamped MANILA the next day THE ONLY RECORDED BLUE O.B. ON 1c GREEN ON BLUE PSE THE LATEST RECORDED USE OF TYPE I BLUE O.B. |
5 SEPTEMBER 1906: CAVITE to MANILA 8 centavos rated for 4 ounces weight, franked with 1c Franklin and 5c Grant both 1899 issues and 1904 2c Washington, all with blue O.B. Backstamped MANILA / SEP 10. |
21 AUGUST 1906: MANILA to MALOLOS, BULACAN Mailed as a 1-1/2 ounces weight Constabulary official mail, paid with 1c x 3 Franklins with blue O.B. Apparently 4c rated for 2 ounces maximum weight as subjected to 1c Dues, backstamped MALOLOS / AUG 22. Postage deficit paid with 1c Franklin with black manuscript "OB" and cancelled with same day arrival duplex. |
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