The author describes the particularities of each dagger and bayonet as well as their regimental origination. The product is a book titled "German Ersatz Bayonets During World War One" by Christian Mery. This book likely delves into the history and unique features of the German Ersatz bayonets used during World War One.
With a focus on collectibles and historical artifacts, this book may provide valuable insights into the weapons used during this significant period in time.