The symbol for infinity enclosed within a circle or square.
Originally encoded as a symbol to represent acid-free paper, this permanent paper sign was later given emoji presentation to form an infinity emoji.
May also be used by members of the autism rights movement to represent neurodiversity.
Infinity was approved as part of Unicode 4.1 in 2005 under the name “Permanent Paper Sign” and added to Emoji 11.0 in 2018.
U+267E
U+FE0F
♾️ Permanent paper sign
♾️ Variation selector-16