Discussion on ICON was that there was only one mold for the Hemingray attributed SBT&T Co (embossed between the wire grooves. I believe I have two different molds. Here you see the 5 different of these I have in my keg collection. For the sake of discussion, from the left is a blue aqua, milky aqua, green aqua, aqua, and ice. This ice is similar to Brent Burger's posting at: [id=39484893] but without the inside skirt tooling marks. Follow along here for a close up of what I'll call Mold A: [id=183425471]