"S" Ship marking in black.

Used only by U.S. Navy ships up to 1905.

Manila to California
From the U.S.S. Supply, postmarked MANILA / MAY 21 1904.
Backstamped BERKELEY, CAL / JUN 24 1904.

Munich, Germany to Manila and back to Germany.

Received MANILA, P.I. / DEC 26 4 (1904)

Returned to Germany via Hong Kong by U.S. Navy ship.

Received BARMEN / 1.2.05 (February 1)

The first ship (Paquebot) marking of the Philippines.
There are about 6 types of the "S" marking.