The frameline on the outside does not count as being part of the design. The vertical side lines are not always a reliable guide because of heavy or light inking. Do not get stuck on this one factor.
As noted by nigelc and gmot, The later 1916 issue has
heavier outlines on the lions, most noticeably on the faces and chests. Both issues have heavy lines at the back of the lion heads. Still, this is the better spotting feature:

And this example shows the heavy lines at the sides of the designs.
So yes, yours are clearly from the first issue, Scott J6.