Photos
Free:
https://www.mockupworld.co/free/free-living-room-poster-mockup/
https://www.mockupworld.co/free/photo-frame-on-wall-mockup/
https://www.mockupworld.co/free/poster-artwork-presentation-mockup/
https://www.mockupworld.co/free/vintage-poster-presentation-mockup/
https://www.mockupworld.co/free/framed-vintage-poster-mockup/
https://www.mockupworld.co/free/vinyl-frame-mockup/
https://www.mockupworld.co/free/poster-on-office-wall-mockup/
Paid:
https://creativemarket.com/HisariDS/794249-interior-mockups-bundle-stock-photo
https://creativemarket.com/MrMockup/1250575-Poster-Mockups-Studio-Scene