You are purchasing:

Mozambique #521v with inverted overprint.  Mint Never Hinged.  Rare.  Only one sheet of 50 was ever found.  I have 10 singles for sale.

Please see the photos for centering and condition.

This item will be shipped safely from Canada.  Shipping and handling costs are as follows:
Items are shipped securely in a glassine envelope with rigid backing for protection.

I combine shipping for multiple items won within a 5 day period.  Please contact me directly to request an invoice combining shipping charges if you wish to take advantage of combined shipping. 

Your satisfaction is my goal.  I offer a no questions asked, money back guarantee, provided that the item is returned in the same condition in which it is received within 14 days. 

Thank you for your business, and please don't hesitate to let me know if you have any questions!