Starting top: 1. Spangled (star over) 'J' - post 1877 controller's (inspector's) mark. 2. Stylized lion over PV: smokeless powder proof. 3. 'EL' in cursive letters: provisional proof used after 1852. 4. Spangled 'S' - controller's mark. 5. Perron: inspection post-1853. 6. 12 over C in a rhombus on point: Gauge. Used 1898 to 1924. 7. Spangled ELG in a crowned oval: acceptance post-1893. 8. 1K 454.7 - weight of the barrels after smokeless proof; 1.4547 Kg = 3.2 lb. Used after 1892. 9. D = 65/20.6: length of the chamber in mm and diameter in mm after the 'voluntary' smokeless powder proof. Used 1892 to 1924.