U.S. troops deployed in Iloilo on 28 December, 1898
and landed only on 11 February, 1899.
U.S. MIL. STA. No. 3 S F. CAL / ILOILO, P.I.
2-Straight Line Handstamped 
in Violet or Black

Second postmark used in Iloilo.
Identical to the first postmark except
the word "HARBOR" removed.

POSTMARK KNOWN ON SIX
COVERS ONLY

ILOILO to MANILA                                         2 MARCH (1899)
First day use of the 2nd postmark used in Iloilo.
2c Domestic Letter Rate overpaid by 3c.
MIL. STA. No. 3, SAN FRAN. CAL. / 
ILOILO PHIL. ISL'S
Circular Steel Duplex in Black.

Period of Use:
22 March, 1899 to 20 September, 1901

ILOILO to WURTHENBURG               28 MARCH, 1901
5c Single Outbound Rated cover (1c overpaid).
Received on front LEUTKITRCH / 3 MAI.
MIL. STA. No. 3, PHILIPPINE ISLANDS /
ILOILO
CircularSteel Duplex in Black
Diameter: 29.0 mm

Period of Use:
6 June, 1899 to 14 September, 1900

ILOILO to PENNSYLVANIA                  23 JUNE, 1899
Civilian mail with 5c Bureau issues for proper
Single Outbound Rate to the U.S.
Partial backstamped  PA / REC'D. / AUG 4 / 1899.