The late Jim Kotanchik was renowned for his knowledge of post office seals, not only for the United States, but worldwide. This 350-page masterpiece covers all of the US and Possessions seals, including many types not included in the standard catalog listings These undocumented areas include Sea Post, Dead Letter Office, Carrier, Typeset, and Ryukyu Islands. As you see in the scans, this is a hardcover, full-color book on quality stock, and is a must have for any serious philatelist. The book you will receive is unopened and still in its original shrink-wrap protective covering. Check the price on Amazon and you will see it is $99. A portion of the proceeds of this sale is donated to the Cardinal Spellman Philatelic Museum. Please note special shipping and handling terms for this item. Shipping for this book is $7 to a US address and $10 to Canada. Sorry no worldwide service for this item. Please add $4 to your payment if you are using PayPal. Personal checks and money orders are welcome.