The Powder Flask Book by Ray Riling, Published by Bonanza Books, 1953.
A History of the Flask, a textbook, a Picture Book of Flasks and Rare Arms and a book of Flask Values.
Hardback Book, 1st Edition, with original dust cover.
Condition; Very Good, although the dust cover has significant tears at the corners.
Contains 495 pages, black-and-white photos & illustrations throughout with 1953 price values which can still be useful for comparision purposes.