I have one from HEB that hangs on the eaves over my front door. I've also seen them at Flores Nursery & Gifts on the corner of Hwy 30 and Hwy 90 out in Roans Prairie (across from the Valero). I have a big Texas A&M sign from them that hangs in my front picture window.
ETA: The HEB star:
The A&M sign:
[This message has been edited by txdragonfly (edited 7/9/2012 9:41p).]
My HEB sign is coated. Haven't had any issues with rust or staining. In general, they're a good place to find Texas star items. I had some awesome large, square planters with stars inside a rope circle on each side when we lived in CS. Unfortunately, we didn't have room in the moving trailer for them and by the time a friend stopped by the house about 5 hours later to pick them up for me, someone had stolen them.