Handstamped in violet stamp pad ink. Narrow Spacing Between "O" and "B"  With  Serif "B"
No period or dot after "O" and "B"

Local Type used by the Negros Occidental provincial government.


Size: 9.5 x 5.0 mm
1904 ISSUES

1c Franklin

4c Lincoln

5c Lincoln

6c Garfield

13c Harrison

15c Clay

16 NOVEMBER 1906: BACOLOD, NEGROS OCCIDENTAL to MANILA
Court of First Instance official mail with 2c Washington 1904 issue with violet handstamped O.B., 
for 1 ounce weight. Backstamped MANILA / NOV 22.

THE ONLY REPORTED COVER

Frame 6 / Page 95
< Type XV Small O.B.
Type XVII Small O.B. >