LoL Legacy Skins: Everything You Need to Know | RiftFeed
Guide to Legacy and Limited Skins – League of Legends Support
Surrender at 20: Plan for vintage Limited Edition skins
Finally got the last legacy skin I was missing from my shop. Only ones I paid full for were BQ and BA, the rest I got from rerolls, chests, and my shop
List of the legacy skins available through Mystery Gifting : r/leagueoflegends