Hi Martin,
Rank insignia as follows,
Soldado - no insignia
Primeiro Soldado -1red chevron point up
Segundo Cabo - 2 red chevrons point up
Preimiro Cabo - 2red chevrons with bar underneath joining chevrons
Terceiro Sargento -2 go;d chevrons point up
Segundo Sergento- 3 gold chevrons point up
Pimeiro Sergento - 4gold chevrons point up
Segundo Teniente - 1gold horizontal bar on black slip ons
Primeiro Teniente - 2gold bars
Capitao - 3 gold bars
Major -2 gold bars over 1 gold star over 2 gold bars on black slip on
Teniente coronel - 2 gold bars over 2 gold stars over 2 gold bars
Coronel - 2 gold bars over 3 gold stars in triangle over 2 gold bars
Hope this is of help to you.
Rank chart sent to Skeetor on 24th/ 04/08
Cheers.