Philippines/Spanish American War postal history. Oversized Registered cover with 1899 Philippines 1c to 10c PHILIPPINES overprints (213-217, F-VF or better) stamps tied by "MIL. STA. No. 1 MANILA / OCT 26 / 3 PM / PHIL. ISL'DS. / (18)99" steel duplexes with matching “Mil. Sta. No. 1 Philippine Isls, (San Francisco, Cal. removed) / OCT 26 1899 / REGISTERED." and Spanish registry Exchange label handstamps to GERMANY with Wolfratshause (12-3) backstamp. The Military Station post offices in the Philippines were substations of San Francisco until May 1, 1899, when they became an independent entity. This cancel with the "San Francisco, Cal." removed is known used from May 15, 1899, until at least Dec. 18, 1901. Cover with central file fold away from all stamps and edge flaws and light toning. Striking 5-color franking on delightful Foreign Registered Military Station cover!