This is a Nepal Official Stampless Mail Cover.  It was sent in 1975.

What makes it special is the Official handstamp in Violet on the back.  It also has the Official Seal in Black on the back!  This is a RARE cover!

If you like what you see, come check out our store!  We offer a wide variety of stamps, covers, and other materials for all your philatelic needs!

You have the option to have it shipped via regular or Priority Mail in the US, and Registered Mail overseas!  This does cost more, but it comes with tracking, and will help ensure the item reaches you in a safe and timely manner!