By Dan Culver; posted July 10, 2008 View Original: Click to zoom, then click to magnify (809 x 1023) 212KB
Here is a CHICAGO INSULATING CO. (PAT. version) embossing index [020] with a single dot on the skirt, it has some milky green influence. This one is from my specialty collection of diamond grooves that was on display at the 2008 Portland National.