For your consideration I have a wonderful collection of US Postal Covers that date from the 1930’s through the 1970’s, professionally organized in acid-free first day cover Philately albums. There are many uncommon and unique covers in this collection that numbers well over 700 examples. The gentleman who collected these covers worked in the Pentagon for many years. He methodically maintained this collection through the decades. You will be buying this collection for a fraction of the price he spent.