Display idea you can use! Just a couple command strips on the back of a hard case. Should work with soft ones too and won't cause damage on the wall or pop! :
Amazon.com: Wallniture Boston 46 Inch White Wall Shelf for Picture Frames, Narrow Picture Ledge Shelf for Wall Decor, Wood : Home & Kitchen
Using Command Strip to Hold Picture Ledge. No Drilling, No Holes. - YouTube
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MOSSLANDA Picture ledge, white, 21 ¾" - IKEA
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Amazon.com: BD ART Wall Mounted Ledges - Set of Three 14 Inch White Wooden Floating Shelves, Perfect for Display Picture Frames, Books in Living Room, Bedroom, Kitchen, Nursery Room : Home & Kitchen
Command™ Slate Picture Ledge | 3M United States
Boring hacks for renters: In a tiny new 1br and the only wall that my Malm pair would fit on was the same wall as the only power outlet. Had to leave
Gallery Wall Tutorial: 9 Frame Gallery Ledge — Love Sims Home