They come in the album that consists over 60 pages with average 20 stamps per page. The earliest that I can see is 1961. There could be even earlier stamps. The stamps are from all over the world: Cuba, Belize, Mongolia, Vietnam, Guinea Republic, Bulgaria, Tanzania, Paraguay, and lots of more. The item "Collection of Stamps from Worlwide Album Birds from 1961" is in sale since Thursday, December 10, 2015.
This item is in the category "Stamps\Worldwide\Collections, Lots". The seller is "medcherry" and is located in Brooklyn, New York. This item can be shipped worldwide.