Hi Fernando,
I agree with Gene, this is truly a beauty! and I would think of it probably c.1680 to about 1700. It is exactly the kind of weapon I like, more of an arming type sword, and I'm inclined to think these more austere examples were quite possibly military, usually infantry if I am not mistaken. I always look forward to Marc's comments on these
In Norman, the author notes that he is not aware of any military portraiture with the cuphilt being worn, which is primarily the basis for the observation that these were not used by the military.
The wrapped wire grip held by four vertical posts I had always thought were more an 18th century military feature, however in going through the Wallace Collection reference, I found several Spanish cuphilts of c.1650 all with this feature. These were quite ornate, and of course seemed more civilian, which says to me that this four posted feature was not only earlier, mid 17th century, but civilian as well.
In looking at A.V.B. Norman ("The Rapier and Smallsword") this cuphilt form is shown as #100, and as c.1630 to 1700 or later. The pommel on your sword is the same oblate shape seen on this form, but without the prominant capstan. In Norman, #101 is also cuphilt, but with deeper cup, without apparant rompepuntas or rolled edge on the cup and the quillons are without finished terminals nor central bulb on the knucklebow.This form seems to have existed contemporarily in the same periods, and it would seem this example is rather between the two.
I'm curious what indicator tells that this was made in Spain for export to Portugal, other than the inscription, which seems like it could have been made in Portugal as well. It is curious there would be no makers mark, just the inscription.
Fantastic piece Fernando!!! A perfect Christmas gift!!
All the best,
Jim