DAGUPAN & MANILA / NORTH / R.P.O.
Circular Steel Duplex in Black

Type I: Without "RMS" Initials for Railway Mail Service on Duplex Killer

1901 OCTOBER 3: ADDRESSED TO DAGUPAN

VERY SCARCE CLEAR STRIKE
NORTH / MONTH / DATE / YEAR
Style N-1
MONTH / DATE / YEAR / NORTH
Style N-2
YEAR / MONTH / NORTH / DATE
Style N-3
Type II: With "RMS" Initials
on Duplex Killer