✦ LIBER ✦
Recommended commercial standard for marking gold filled and rolled gold plate articles other than watch cases
- Publisher
- Elsevier Science
- Year
- 1933
- Tongue
- English
- Weight
- 103 KB
- Volume
- 216
- Category
- Article
- ISSN
- 0016-0032
No coin nor oath required. For personal study only.