1923 - 1926 DEFINITIVES
Perforation 11, Unwatermarked
Blue on 303a
a
Red on 303a
Inverted Overprint
1926 LEGISLATIVE PALACE
Red on 322
Inverted Overprint
Red on 324
Inverted Overprint
Black on 325
a
1919 SPECIAL DELIVERY
Perforation 11, Unwatermarked
Red on E5b
Horizontal Overprint