This is a TESO BLACKWOOD™ COLLECTOR'S EDITION Steam key for the RU/CIS region.

The Elder Scrolls Online Collection: Blackwood™ CE is the ultimate Elder Scrolls experience and includes exclusive Collector’s Items, the Base Game, and all Chapters:
Blackwood™
Greymoor™
Elsweyr™
Summerset™
Morrowind™

Also includes:
Jewel-Feathered Sep Adder pet
Temperamental Grimoire memento
Battlefield Nightmare Senche mount
Deadlands Gladiator Outfit Style
Offer Weapon emote

https://account.elderscrollsonline.com/store/product/eso_blackwood_edition_ce