Amazon Official Site: Kindle Paperwhite Signature Edition
New Case For Funda Kindle Paperwhite 1 2 3 Ey21 2012 5th Gen 2013 6th 2015 7th Generation Dp75sdi Smart Cover Auto Wake Sleep - Tablets & E-books Case - AliExpress
Amazon.com: Case for 6.8" Kindle Paperwhite (11th Generation-2021) and Kindle Paperwhite Signature Edition, Puxicu Slim Design Flexible Matte TPU Protective Cover, Clear/Translucent : Electronics
A visual comparison between the Kindle Paperwhite models : r/kindle