This is a valuable publication that showcases the Hessel Collection Part 1, auctioned by H R Harmer Inc. in October 1975. The collection features a range of rare stamps and other invaluable items that have been carefully preserved over the years. The publication is an excellent resource for collectors and enthusiasts who are interested in the history of postage and stamp collecting. It provides a comprehensive overview of the auction, including detailed descriptions and photographs of each item. Whether you are a seasoned collector or a novice, this publication is a must-have addition to your collection.