Philippine Constabulary 2c Rzial Green on Blue
Official Envelopes

UPSS-OB2: SIZE 7
Form 1 Corner Card, Without Comma After "OFFICIAL"
1910 APRIL 28: BAGUIO to MANILA

UPSS-OB40: SIZE 7
(ca 1913) MARCH 18: MANILA to BAGUIO
7.30.2006