We have translated the text on both sides of the sword (with Google) to read: "Faithful farewell to the king, and honor." "Always on the path of glory"
Sword image: https://m.imgur.com/gallery/IM08QjH Sigil close: https://m.imgur.com/gallery/CYQ0vXo High contrast: https://m.imgur.com/gallery/wUc4mmS
Any helpful information or insight would be appreciated! Thank you!
Similar question, different sword... He also has another sword, but this is a long shot since the inscription is mostly rubbed off: Sword: https://m.imgur.com/gallery/Z2umdGy Close up: https://m.imgur.com/gallery/7OuGhWl High contrast: https://m.imgur.com/gallery/1nWfIF5