LEGO MOC Remastered - Hogwart's Castle (71043) Epic Extension by Playwell Bricks | Rebrickable - Build with LEGO
BrickLink - Part 22885pb003 : LEGO Brick, Modified 1 x 2 x 1 2/3 with Studs on 1 Side with Portrait Picture, Sorting Hat and Bricks Pattern (Sticker) - Set 71043 [Brick, Modified, Decorated] - BrickLink Reference Catalog
BrickLink - Part 71043stk04 : LEGO Sticker Sheet for Set 71043, Sheet 4 - (41218/6241611) [Sticker Sheet] - BrickLink Reference Catalog