| Maker | C.G. Conn “Pupeschi System” |
| Dated/City | c.1921s / USA |
| Key/Pitch (MHz) | Pupeschi System Clarinet in Bb |
| Descriptions | Hard Rubber, original mouthpiece, nickel plated keys plated keys. |
| Full Marking | ” MADE BY / C.G. Conn / ELKHART. IND. “ : bell |
| Additional Marking | |
| Length | 655 mm. / 590 mm. (without mouthpiece) |
| *Note: |
