LEGISLATIVE PALACE ISSUE OF DECEMBER 20, 1926
VERTICAL PAIR IMPERFORATE BETWEEN ERRORS
319b: 2 Centavos - 9 Pairs known
320b: 4 Centavos - 12 Pairs known
321b: 16 Centavos - 12 Pairs known
322b: 18 Centavos - 18 Pairs known
323d: 20 Centavos - 8 Pairs known
324a: 24 Centavos - 12 Pairs known
325a: 1 Peso - 10 Pairs known
Errors 1
Errors 2
Errors 3
