A complete refrence guide for Barbed Half Dollars. There are many new doubled dies, misplaced dates, repunched marks, and repunched dates which have never been published in any other book. Included also is a detailed description, diagnostics, pricing, cross references, and comments. Kevin Flynn. ISBN: 0967965586. Pub Date: 8/29/2018. Edition: 1st. Binding: Paperback. Size: 8x10. Pages: 199. Case: 30 .