Handstamped in Violet Stamp Pad Ink. Wide Spacing Between "O" and "B" 
With  Serif "B". Without Dot or Period After "O" and "B"

Used by the Philippine Constabulary only in Catbalogan, Samar Province From February to November 1906.


Size: 12.5 x 5.5 mm
1899 - 1901 ISSUES

2c Washington, 1899 Issue
Cancelled CATBALOGAN / SAMAR MAY 22

6c Garfield, 1901 Issue
Cancelled CATBALOGAN / SAMAR FEB 4

30 AUGUST 1906: CATBALOGAN, SAMAR to MANILA
1c rated for 1/2 ounce weight, with 1c Franklin 1903 issue handstamped with violet O.B.
Backstamped MANILA / SEP 6.

ONLY RECORDED COVER

Frame 4 / Page 58
<Type V Small O.B.
Type VII Small O.B. >