What font does T-online use? The closest font you can get for the T-online logo is Corona Medium…
What font does Corona use? The closest font you can get for the Corona logo is Cloister Black font.
Designers: Morris Fuller Benton, Joseph W. Phinney
Free alternative fonts for Corona logo:
The closest free font you can get is English Towne Medium Font.
About free fonts:
Fonts by Dieter Steffmann