There is no embossing on it at all. It's completely free of markings. At least now I know what they are called and what to look for. Until I found this, I never knew these existed. Now I need to find a jar to match it up with so I can have a complete display.
Hello,
Recently, I was out metal detecting and discovered a milk glass jar lid insert unlike any I've seen before, and I'm having trouble finding anything out about it, what it was used for, what time period it may have been used, etc. It's a 2 inch glass insert, still with part of the...