24 AUGUST 1904: MANILA to WASHINGTON Philippine Weather Bureau official mail. Backstamped WASHINGTON, D.C. / OCT 8.

PAID POSTAGE WITHOUT MANUSCRIPT OR HANDSTAMPED “O.B.” 6 DECEMBER 1905: MANILA to WASHINGTON Department of Agriculture using Bureau of Engineering penalty envelope postage paid with 2c Washington. Backstamped WASHINGTON, D.C. / JAN 9 1906.

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