Any idea? It's a great old school preservative for storing old tools, parts etc. Military used it for everything, especially storing small arms and parts.
Try Google. I know they have some available... http://www.google.com/search?q=cosm...s=org.mozilla:en-US:official&client=firefox-a
Here is some in a spray can. http://www.schafco.com/cosmoline.asp Not really sure exactly how to go about purchasing this one but here ya go. http://yabe.algebra.com/~ichudov/misc/ebay/Cosmoline/ebayhist.html