If you received an item or items in the mail today, don’t fret. It’s the Black Lion Wintersday Rewards Event distribution.
You can read about it here: https://forum-en.guildwars2.com/forum/support/account/Wintersday-Event-Item-Distribution/first#post3469077
Please check this post for more info: https://forum-en.guildwars2.com/forum/support/account/Wintersday-Event-Item-Distribution/first#post3469077
Thanks for your support!
https://www.guildwars2.com/en/news/introducing-the-black-lion-wintersday-rewards-event/
Ah. Yeah, I knew about the gift for purchasing something during December…but the wording of the email was confusing. I thought it to be a replacement for a lost item..maybe for some other player and GW2 support sent it to the wrong person.
I was being the good Samaritan and reporting it
First, thanks for reporting — it is helpful to know of players concerns, even if it turns out to be a known issue.
Second, the message was confusing and we apologize. I sense that waiting to get changes made to the distribution mail would have delayed the delivery, so the devs weighed distributing now with the existing messaging versus waiting to create new messaging, which is a longer project than it may seem.
Judging from the happiness of those who are getting their rewards, coming down on the side of “distribute now” seems a good thing! 
:’( Does this include gems bought with gold? If so I dont believe it, I bought like 3000 gems I think towards the end of december, and if I remembered about this I would have got the full 4000. Oh Mr Sparkles you were so close.
Right, as you said, the rewards were given for Gem Store purchases. Buying gems with gold that the game gave you isn’t the same thing as making a purchase in the store. Thanks for understanding.
I’m just amused that it’s called a “replacement”. Why not just call it an “Appreciation” or “Thank you” gift for purchasing gems?
Would it help if, after the fact, I say we most definitely do appreciate and thank you? 
Nah, I understand was you are saying and yes, the in-game messaging wasn’t quite as informative as it could have been.
Right, as you said, the rewards were given for Gem Store purchases.
Gem Store purchases, or purchases of gems in the Gem Store (with real moolah)? :P
Gem Store purchases, as opposed to exchanges of gold gained in the game for gems. I guess I consider “purchase” to involve, as you say, “real moolah.” 
