Hi Sandy, and welcome to the board.
That's a gorgeous piece! I'm by no means an expert, but the pieces don't look mould-blown, as there are no seam marks. In mould-blown pieces the item has to be spun in the mould to remove seam marks, but that's impossible with these because of the pattern. In addition, the flare at the neck would mean you couldn't ever get the pieces out of a one-piece mould without breaking it.
So my guess is that may have been free-blown, and formers used to create the pattern. Are you sure the rims are not ground and polished?
(I may be talking through my hat, as it were, so please jump in and correct this, anyone!)
It might help if you could take a close up of the pattern.