Here is head-on view of my CD 106 unembossed from Columbia with the flash intentionally "on" so you can see how one of the red swirls comes right to the surface! This one has red swirling all through the glass and is dynamite to look at! Following are three more shots (with the light passing through the insulator) giving you an idea of its uniqueness. I believe this example is about as intensely red swirled as they come. There are four parts of this submission today; go to Part 4 for a few more details. Otherwise keep clicking "Previous" for another view. Enjoy!