Peru 1951,The 400th Anniversary of San Marcos University: Ancient Lima city local, very rare antique stamp, ask anything you want before bidding, it is sold as it is shown in the pictures, combined shipping available up to 20 stamps, If you don't like the price, then make an offer, and drop it

BUY 4 STAMPS AND I GIVE YOU THE 4th ONE, THE LESS EXPENSIVE FOR FREE