| Maker | LEFÊVRE (17xx – 18xx ) |
| Dated/City | c.1820-30 / Nantes |
| Key/Pitch (MHz) | 13 keys Clarinet in Bb |
| Descriptions | Boxwood, Ivory ferrules, Grenadilla wood mouthpiece, 13 brass keys with salt spoon key covers; springs attached to keys mounted in pillars on the foot plates. |
| Full Marking | ” LEFÊVRE, / NANTES / B ” : upper joint, lower joint, bell |
| Length | 596 mm. / 530 mm. (without mouthpiece) |
| *Note: | *missing Ab/Eb roller
*not original barrel, by Martin Feres |
