first day covers 350 plus 1958 -1986

here we have a very large quantity of first day covers there is at least 350 if not more there are far to many to list they are 90% good condition maybe a few with creases 3 folders full and 2 shoe box fulls i was going to list 1 at a time but will far to long ideal for a new collecter or someone who deals with stamps any questions i will do my bet to answer