1981 Marshall 2203 with the Bogner 87 Mod - YouTube
Bogner Uberschall Purple Mod? | SevenString.org
Bogner 20th Anniversary Shiva and Ecstasy Amp Reviews - Premier Guitar
Bogner Helios 100 Head with Andy Fuchs Mods Used | The Music Zoo
ESCHENBACH Bogner mod 732009 Col.135 sz 52/17 Eyeglasses Frame Without Lens | eBay
1982 Marshall 2204 with Reinhold Bogner Mod from the 80s | Used by Mathias Dieth of U.D.O. , Sinner and Gravestone | Has anyone ever played a Bogner modded Marshall before? : r/metalguitar