Hi Gene,
I'm glad I could help, and I apologize for not stating my findings more clearly. I meant to note that this style mount was of the form seen on 17th century Mughal scabbards, but clearly this is much later as Ward has aptly noted, and I entirely agree with 19th century assessment.
It is important to remember that while blades were typically heirlooms, and hilt mounts and scabbards were often refurbished through generations. With this being the case, traditions in elemental style were typically maintained in degree, with of course subtle customizing according to the new owner.
Since this is compellingly a Mughal piece, in my opinion it would not seem at all out of place on a shamshir, a highly prized weapon in Mughal courts.
Essentially you are simply following a well established tradition
All the best,
Jim