It would be good to know the diameter of the foil emblems in the Original Posters first two images. They do look to be on roll-stock and both GT350 and GT500 versions.
As Bob has stated, the original '67 steering emblems did have the model designation and do look a bit different, more gold and embossed, see attached GT350 version.
There were issues with the original steering wheels and replacements had horn button emblems that did not have the model designation so they could be used on either model, or sold Over-the-Counter. See attached...