United States. The Powder Flask Book By Ray Riling certificate_of_authenticity with a Prague Castle bar

with a Prague Castle bar attached to the ribbon

Knight/Dame Commander (KCSG/DCSG) and Knight/Dame (KSG/DSG)

maker marked "Z" (unknown) on the reverse

Osang  - By G

Each of the four pockets have a fold over flap with reinforced button holes

United States. The Powder Flask Book By Ray Riling certificate_of_authenticity with a Prague Castle barHardcover, hunter green cloth cover, with paper dust jacket, entitled "The Powder Flask Book" by Ray Riling, with an introductory chapter by Harold L. Peterson, Chief, Historical Investigations Branch, National Park Service, identified as a First Edition, copyrighted in 1953, published by Robert Halter at The River House in New Hope, Pennsylvania, manufactured in the United States of America, printed by Meriden Gravure Company of Meriden, Connecticut,