16 JUNE 1906: LINGAYEN to DAGUPAN, PANGASINAN Inter-province Constabulary official mail, 4c rated, 2 ounces weight. Backstamped DAGUPAN / JUN 18.

13 JUNE 1906: SURIGAO, MINDANAO ISLD. to MANILA "8" centavos rated in blue manuscript for 4 ounces weight, paid with 3c x 2 Jackson 1899 issue with red O.B. and 2c Washington 1904 issue with blue O.B.  Backstamped MANILA/ JUN 21.

22 AUGUST 1906: VIGAN, ILOCOS SUR to MANILA 12c rated for 6 ounces weight, franked with 5c Lincoln x 2 with red O.B. and 2c Washington with blue O.B. Backstamped MANILA / AUG 25.

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< Type I Small O.B. in Purple

Type II Iloilo Marking #1 >