| Description | Notes | |
|---|---|---|
| EN | Calfskin | — |
| FR | Vélin | — |
| ES | Piel de becerro | — |
List 99 · Special cover material
02 — Calfskin
<!-- ONIX snippet not yet curated for codelist 99 (value: 02) -->- Introduced in Issue 2
List 99 · Special cover material
02 — Calfskin
| Description | Notes | |
|---|---|---|
| EN | Calfskin | — |
| FR | Vélin | — |
| ES | Piel de becerro | — |
<!-- ONIX snippet not yet curated for codelist 99 (value: 02) -->