Thank you!

Mockup links: 

https://www.freepik.com/free-psd/city-food-billboard-mock-up_15595659.htm

https://www.freepik.com/free-psd/two-urban-posters-mockup_10917735.htm#page=1&query=a4%20poster%20mockup&position=19&from_view=search

https://www.freepik.com/premium-psd/billboard-lightbox-mockup_18092389.htm#page=1&position=7&from_view=detail#query=mockup%20poster%20a4&position=7&from_view=detail