Pardon me, my ignorance is showing (Heisey)

This black and orange compote with gold rim has an etched pattern and is marked with the Heisey H in the diamond on the stem. I know some glass companies sold blanks, and they were decorated by a different company. I wasn't aware that Heisey also had that practice. I bought this piece for a couple of dollars at an auction over 15 years ago, and other than the Heisey mark, still have no idea about it. Does anyone have any idea which company could have created this design? Or did it come from Heisey like this? It's my headscratcher...thanks for any help.