| Maker | Jacques père Couturier (17x?-18x?) |
| Dated/City | c.1860 / Lyon |
| Key/Pitch (MHz) | 13 keys Clarinet in Bb |
| Descriptions | Boxwood, Brass ferrules, Original grenadilla wood mouthpiece, Thirteen brass keys with salt spoon key covers; springs attached to keys mounted in pillars. |
| Full Marking | ” COUTURIER / (cursive) Lyon / (eight-petalled flower) ” : all parts |
| Additional Marking | |
| Length | 583 mm. / 510 mm. (without mouthpiece) |
| *Note: | brass tube inserted in the upper joint thumb hole |