My dad inherited this from my grandparents after they passed, and was wondering what year this could be from. I Googled the name hopf and learned a little bit about them but
Hopf Violin Circa 1850 | eBay
Hopf German-made 4/4 Violin, 1962, w/case & bow (used) – House of Musical Traditions
hopf
1890s Hopf 4/4 (German-made) Violin
Back to Back: In What Ways Do Instruments with 1- and 2-Piece Backs Actually Differ? | Strings Magazine
HOPF ... REAL OR COPY? - The Fingerboard - Maestronet Forums