1906
Philippine Constabulary 4-Colors Registered Cover 1906 JUNE
5: MALOLOS, BULACAN to MANILA
Philippine
Constabulary official mail with 4 color franking using 1c green x 4 (#226),
2c x 2 (#227),
10c x 5 (#233) and 50c (236) for 1p-8c multiple registered rate.
Same day Manila
entry on back flap.
