You can use this US Stationery Mockup to display your Stationery designs to your client in a modern and corporate way. You just need to put your design in the smart layer and it is done. You can modify the background colour according to your requirements. You need to have photoshop to edit it.
File Format: PSD
Dimensions: 3600×2700 px
Size: 100 Mb
License: Free for personal & commercial use