Vintage Peltier NLR “Blue Colorado” Marble .60” Mint-

Based on the distinct characteristics visible in your photos, this is a classic vintage Peltier Glass Company National Line Rainbow (NLR) marble. The collector nickname "Blue Colorado" is also appropriate for this specific color combination.
Here's a breakdown of the features that confirm the identification:
* The Base Glass: The marble has the typical milky white/light gray opaque base characteristic of many Peltier NLRs.
* The Ribbon Pattern: The key identifier for a Peltier NLR is the way the ribbons of color are applied. They flow on the surface of the marble and typically form a distinct "V", "U", or "S" shape on at least one side where the glass stream was sheared. Your second image shows a perfect example of this "U" shape in the blue ribbon.
* Color Combination ("Blue Colorado"): The name "Colorado" is a collector-coined term for Peltier NLRs that feature this specific and desirable color scheme: a vibrant cobalt blue and a bright orange/tangerine. The addition of

sku: M-318