First Day Covers Collection of 3 Albums with 76 Items, Sold as Set

First Day Covers and First Day of Issue envelopes, some addressed, some unaddressed.  Items from the 1960s, 70s, 80s, 90s.  Some international (Denmark, Finland), mostly USA.  Total # of items is 76.  In very good condition, kept in First Day Cover albums.  Topics: Anniversary of nations, famous people, history.  Historic sites and events in NJ, PA, and NY area.  Historic Preservation.  Focus on music and art, artists, writers, and musicians.  I cannot include full details on all the covers but if you message me,, I can.