This week's Featured Web Site is Dave Frank's Camp Money Notes. Found via News & Notes from the Society of Paper Money Collectors (Volume IX, Number 16, October 3, 2023).
The ultimate comprehensive resource for 20th Century camp money
What is Camp Money?
Two innocuous words that describe the currency of the many kinds of prison camps that held military and civilian captives during World War I and II.
The history and understanding of camp money is a field that is unfamiliar to the numismatic community as well as the general public. The purpose of this site is to present much of what is currently known about this elusive topic and to stimulate further discovery and research into this obscure subject of the 20th Century.