Mod adds new, including silver sabres, in sets of "Blades of the warriors Aen Seidhe", "Blades of the clan Aen Arde", "Ofieri School Sabres" ( requires the "Heart of Stone")
Blades Aen Seidhe can be found in the crypt in the cemetery of the White Garden. In the crypt can be found schematics of craft Aen Arde too.
Schematics of craft Aen Arde set you can get in the quest "Game cats and wolves", as a reward for the job "Take what you want", near the Cat school witcher cache.
As well schematics you can buy from Elven merchant ( around Novigrad, where a camp of elves), and buy from elven blacksmith Hattori.

Schematics of craft Ofieri School set you can buy from Ofieri merchant (Upper Mill). Sale with 33 level ( NG+ 63 level). Iris-sabre has scabbard Ofieri School set.
For version 1.12.1. Checked in NG+.
Used only Russian and English translation. In other languages will be English.

Ver. 2.3 ----- added completely new sabres and sets.
New version 2.3 compatible with save game 2.2, but will not work with version 2.1, new Sabers will have to get a new.

ModSilverSabres folder is in ...\The Witcher 3 Wild Hunt\mods
If there are any mods, don't forget to check their compatibility using the Witcher Script Merger.

http://www.nexusmods.com/witcher3/users/5041413/? ---- stribog777