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Extra O |
Double OB |
Broken B |
Slanted OB |
Shifted OB |
Inverted OB |
Inverted OB |
Broken B, Carmine |
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a a |
ONLY REPORTED EXAMPLE |
 
Normal Double OB |
 
Inverted Double OB |
1910 AUGUST 6: BALANGA, BATAAN to MANILA 2c Rizal SSubsequent Overprinting |
Broken B Position 2, Carmine Lake |
Joined Double OB |
Double OB |
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