| Maker | Valentine Metzler (17??-1833) |
| Dated/City | c.1830/ London |
| Key/Pitch (MHz) | * ? keys Clarinet in Bb |
| Descriptions | Boxwood, Ivory ferrules, *Three brass keys with flat, square key covers; springs attached to keys mounted in blocks. |
| Full Marking | ” METZLER / LONDON “ lower joint |
| Additional Marking | |
| Length | 255 mm. (lower section only) |
| *Note: | one-piece lower joint and bell only |