I think it was a Twisty.
Vintage Hopf Explorer Standard guitar body frame black 1960s - NOS
Vintage HOPF MeisterwerKstallen Guitar-1976
VINTAGE-HOPF MEISTETWERKSTATTEN GEBAUT 1980-GERMAN COLLECTORS GUITAR RARE.
VINTAGE HOPF 3 PIECE WOOD RECORDER IN ORIGINAL BOX
Vintage Hopf Meister, Recorder, instrument W Original Box. 19"
Vintage HOPF Meister Wooden Recorder Flute German Blockflöten w/ Box - Excellent
