Peru 1999, Ceramicas Cultura Mochica: Cormoran, S/. 2.00, very rare stamp, ask anything you want before bidding, it is sold as it is shown in the pictures, combined shipping available up to 20 stamps, don't you 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