Hopf Telstar International – 1963 German Vintage Electric Guitar / Gitarre | Reverb UK | Vintage electric guitars, Electric guitar design, Electric guitar
Hopf Guitars? | The Gear Page
Guitar Blog: late 1970s Hopf Studio
Dieter Hopf - guitar maker - Luthier - Die Zupfgeige - Guitars and Guitar Workshop - Specialist shop for classical and acoustic guitars in Germany
1960s Hopf Classical Guitar
HOPF E-Gitarren zum Verkauf in Deutschland | guitar-list
Hopf guitar bass logo made in Germany 1960er - Guitarage.nl - Guitar Crazy, Crazy Guitars!