You're right - just found something re tickets issued in Brazil.
http://infopoint.lufthansa.com/files...en_gepaeck.pdf
""Für Reisen, die in Brasilien starten, beträgt die Freigepäckmenge in
Economy Class 2 Gepäckstücke à 32 kg. ""
Don't know whether they will allow a SEN to have a third item as checked-bag in Brazil. But following YuropFlyer's experiences, I would guess so.