Friends, here's a free resource of high-resolution dark branding PSD mockup featuring stationery items like A4 papers, Envelops and Business Cards. 

The mockup is ideal to quickly showcase your branding identity. The PSD file comes with finely organized smart-object layers that you can double-click each smart layer and add your own relevant design and save. 

The PSD mockup also includes Photo Filter option so you can easily change the color mood of the entire scene. You can even change the background color using the Color Balance layer included in the document.

File Format: .PSD
Layers: Smart-Object
Dimensions: 6000x4000 Pixels
File Size: 151 MB