Section 51:6
- 51:6-1 - Definitions
- 51:6-2 - Quality mark not to apply to mechanism and other enumerated things
- 51:6-3 - Trade-marks on articles
- 51:6-4 - Quality marks described; marks refer to weight
- 51:6-5 - Marking contents and quality of pure platinum and platinum combined with other metals
- 51:6-6 - Abbreviations permissible
- 51:6-7 - Penalty
- 51:6-8 - Articles manufactured prior to July 4, 1929, not affected
- 51:6-9 - Presumption as to when article was manufactured
- 51:6-10 - Certificate of federal assay office as prima facie proof of weight or fineness