Period of Use: January 5, 1900 to February 13, 1901
Opened on December 1, 1899

Type I- HORIZONTAL DELETING BARS

1900 JANUARY 30: ZAMBOANGA to RHODE ISLAND

Type II - VERTICAL DELETING BARS

1900 SEPTEMBER 26: ZAMBOANGA to INDIANA

Ref: Goodale A-1 and Baker C-4