This is a plate block of four stamps from the United States, Scott #1313, issued in 1966, in mint never hinged condition. 

These stamps commemorate the 1000th Anniversary of Poland.

All Domestic purchases of 5+ flat items, will receive a 20% discount

Shipping for additional domestic purchases of flat items, will only be 10 cents each

Shipping for additional purchases of magnets and non-flat items (plus international orders)

will be determined by the exact weight & size of your package.

Please request an updated invoice if possible for your discount.

If you are forced to pay full shipping, a refund will be issued