I believe these are brand new. The packaging is not in perfect shape but good for the age. I have not found these anywhere online, let alone in the packaging.
The item "CASCO MODEL ED ED-1-1 fire extinguisher in packaging vintage rare lot of 3" is in sale since Sunday, April 28, 2019. This item is in the category "Collectibles\Historical Memorabilia\Firefighting & Rescue\Extinguishers". The seller is "guito" and is located in Flat Rock, Michigan. This item can be shipped to United States.