Lunar Revel 2013 - Envelope

Lunar Revel 2013 - Envelope is a 2013 League of Legends summoner icon from the Lunar Revel set (1 of 50). Its icon ID is 541.

How do you get the Lunar Revel 2013 - Envelope?

Riot's description in the client reads: “Acquired by sending a skin to your friend during the 2013 Lunar Reven event.”

Is the Lunar Revel 2013 - Envelope still available?

Riot does not list the Lunar Revel 2013 - Envelope as a legacy icon.