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"OFFICIAL / MAIL" Inside A Football Shape Frame on 1905 Newspaper Wrapper Size: 19 x 10 mm Used only by
the Philippine Constabulary
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27 DECEMBER 1906: SAN ISIDRO, NEUVA ECIJA EARLIEST RECORDED USAGE |
10 JANUARY 1907: SAN ISIDRO, NEUVA ECIJA ONLY FOUR EXAMPLES RECORDED |
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