| Maker | Christian Cottlieb Zencker (1786-1848) |
| Dated/City | c.1840s / Adorf |
| Key/Pitch (MHz) | *6 keys Clarinet in D |
| Descriptions | Boxwood, Horn ferrules, Original grenadilla wood mouthpiece, *Five brass keys with flat, square key covers; springs attached to keys mounted in blocks. |
| Full Marking | ” (crown) / G: ZENCKER / iun: / D ” : upper joint |
| Additional Marking | ” (crown) / G: ZENCKER / iun: ” : barrel, middle joint, lower joint, and bell |
| Length | 596 mm. / 534 mm. (without mouthpiece) |
| *Note: | c#/g# key missing |
