Common wall is a wallpaper. Source: Nook's Cranny. It costs 800 Bells and sells for 200 Bells. It can also be bought for 720 Poki (Happy Home Paradise). Happy Home Academy themes: living room and school.
Where to get it
Nook's Cranny: Timmy and Tommy's store on your island, with a daily rotation of furniture and clothing alongside staples such as tools and seeds.
