This is a book titled "Medals of the United States Assay Commission 1860 -1977" by R.W. Julian and Ernest Keusch. It was published by the Token and Medal Society in 1989. There are 89 pages in this 8 and one half inch x 11 inch soft cover book. There are numerous photos throughout the book with a full description and background information on each medal. Please add $5.50 for shipping cost to all Canadian addresses and $8.00 to all United States addresses.