Duplicate RS2 weapon skins

I got the skin set when the summer update went online, but after today's reward fix, I got another set of the same skins.

It's not only just me, I saw many people say they have the same issue.

The most ridiculous (and hilarious): http://ift.tt/2s1WVou

Is this some sort of side effect that you guys can resolve, once everyone get what they miss? Or should we contact Steam support to delete them?

Duplicate RS2 weapon skins