| 1920 HALSTEAD ROBERT Violin Tailpiece Patent |
| 1920 OSCAR J DOSS Piano Violin Patent Print Art |
| 1920 MECKLEY MASTERSON Violin Bass Bar Patent |
| 1920 ANTON JELINEK Violin Bow Patent Print Art |
| 1920 GOING GEORGE Violin Patent Print Art |
| 1920 JOHN Violin Viola Violoncello Peg Art Print |
| 1920 JOSEPH CHAMPAGNE Violin Bridge Patent Print |
| 1920 LEIGH ARTHUR ELEKINGTON Violin String Tensioning |
| 1920 ERWIN HARDEE Violin Sound Post Patent Print |
| 1920 FLEMING CHARLES Piano Violin Patent Print |
| 1920 HARRY DORRELL Violin Peg Patent Print Art |
| 1920 VANDERHOOF HERBERT Violin Mute Patent Print |
| 1920 WILLIAM Violin String Tensioning Art Print |
| 1920 EMILE LACOSTE Violin Attachment Patent |
| 1920 CORNELIUS SAMPIETRO Violin Bow Gage Patent |
| 1920 BROWN PETER Violin Peg Patent Print Art |
| 1920 HUGH GALBRAITH Violin Attachment Patent |
| 1920 ZIMBALIST VIOLIN ALMA GLUCK BRAGA Angel Serenade78 |
| 1920 MAX ROSEN VIOLIN Drigo SERENADE Persson Piano 78 |
| Vintage Carlo Micelli Anno 1920 Violin paper label |