Produced at Philippine Constabulary Headquarters, Manila, using hand stamping dies provided by the Bureau of Printing, capable of marking ten stamps at a time (5 stamps x 2 rows). Distributed to field offices upon request by district field supply officers who were held accountable for the stamp assets. 

Used in Manila and in the provinces of Albay, Antique, Bataan, Batangas, Benguet, Bulacan, Cagayan, Camarines, Capiz, Cavite, Ilocos Sur, Iloilo, Isabela, Laguna, Lepanto & Bontoc, Leyte, Negros Occidental, Negros Oriental, Nueva Ecija, Nueva Vizcaya, Pangasinan, Romblon, Samar, Surigao, Tayabas, Zambales and Zamboanga.

ERU: January 3, 1906 at Capiz Province
LRU: November 20, 1907 at Malolos, Bulacan
1.0 mm Thick Characters
Size: 12.0 x 4.0 mm
1899 ISSUES

2c Washington

10c Webster, Type II, Orange Brown
Cancelled SAN MIGUEL / BULACAN / 9 AUG 1906

THE ONLY RECORDED 10c TYPE II  BLUE O.B.

10 Cents Type II: Tips of bottom ornament break the curved line below
the “E” of “TEN” and the “E” of “CENTS”. In Type I, the foliate ornaments
do not impinge on the white curve line below “TEN CENTS”.

3 JANUARY 1906: CAPIZ, PANAY ISLD. to MANILA
Constabulary official mail with 1c x 2 Franklins 1903 issue for 1 ounce weight,
handstamped with Type I blue O.B. Backstamped MANILA / JAN 10.

THE EARLIEST RECORDED USE OF TYPE I BLUE O.B.
Frame 1 / Page 9
P-9
P-10
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< Manuscript Markings
Type I Small O.B. in Black >