I made a list of all ranked Charms since Season 2 : r/Rainbow6
Rainbow Six Esports on Twitter: "We will be releasing six special charms for those who tune in during the Pro League Finals on Twitch! The more you watch, the more you'll earn.
New Rainbow Six Siege Streamer Charms for Y7S2!
First Look At Y7S1 Demon Veil RANKED CHARMS - Year 7 Info - Y7S2 Castle Elite + Old Info. - YouTube