|I was lucky that when others were discussing and looking for vintage stickers on Facebook it led to this site that was new to me vintage-stickers.com which had Hercules gas tank decals for my 76' . I had been searching for a source for these for some time. I contacted them and they said their decals were vinyl so I ordered several and hope they are good quality.
One thing that is impossible to print on a standard color laser printer is a white decal with a clear backgound! The Laser Printer uses Black, Cyan, Magenta, and Yellow to produce colors and White is not a choice, White is equal to CLEAR on a laser printer ... So finding these labels means I don't have to cut each out individually from my polyester media.
Direct Link to a page with multiple year/style Hercules Decals