| style | telescopic 3pc + |
| brand | Unknown |
| based in | |
| trademark | none found |
| made | 1929 |
| retailer | |
| earpiece | brass |
| body | brass |
| horn | brass |
| horn dia | 83 mm |
| length | 360 mm |
| weight | 149 gm |
| size |
|
| grille | none |
| marks | none found |
| ring | no |
| adjustable | earpiece rotates |
| handed | no |
| rarity | common |
| build | tooled |
| condition | good |
| acquired | 2020 |
| seller type | auction |
| found in | Lund |
| country | Sweden |
| value |
|
| seller note | OLDER HEARING AIDS, 2 PARTS, steel Provenance: Count Eric von Rosen (1879-1948), Rockelsta. Inherited to the current owner. The bigger one with damage. |
| comment | Chose to keep the boring secong one because of the provenance. |
| accessory | |
| boxed | no |
| shape | horn |
| gwrok | yes |
| wax | no |
| bay | 1 |
| details on the field categories may be found here | |