Oebra er en forkortelse af Richard Oertel, Bad Brambach og blev grundlagt af denne i 1908. Oebra handlede med alle slags musikinstrumenter og altså også guitarer.
Oebra is short for Richard Oertel, Bad Brambach and was founded by him in 1908. The sold all kind of musical instruments and also guitars. Some guitars were made by Heinz and Kurt Seifert, but there were more makers that delivered to them.
More info here : http://www.schlaggitarren.de/home.php?text=hersteller&kenn=44