Overprint in Red or Violet

Unwatermark. Perforation 11
C16: Single Line Watermarked, Perforation 11.
C17: Single Line Watermarked, Perforation 10.


2c Rizal
Green
C1

Vermilion 
Overprint Variety
C1b

Split Overprint Variety
C1
a

4c McKinley
Carmine
C2

Inverted Overprint
C2a
a

Typical Genuine Overprint

Fake Overprint

Fake Overprint

6c Magellan
Lilac
C3

8c Legaspi
Orange Brown
C4

10c Lawton
Deep Blue
C5

12c Lincoln
Red Orange
C6

16c Sampson
Light Olive Green
 C7

16c Sampson
Olive Bistre
 C8

16c Sampson
Light Olive Green
 C9

16c Sampson
Light Olive Green
 C10

26c Carriedo
Blue Green
 C11

30c Franklin
Gray
 C12

2p Manila Arms
Violet Brown
 C13

4p Manila Arms
Dark Blue
 C14

10p Manila Arms
Deep Green
 C15

26c Carriedo
Blue Green
 C16

1p Manila Arms
Pale Violet
C17