4.5” high (glass only) 4.4” diameter – twelve lobes – clear glass with controlled bubbles

Original brass fittings and cable – base of lamp (see photo 2) have ground and polished groove for cable to fit under.
Worn labels to both – best shown is red on silver foil with scalloped edge – seem to scan as Archimede Seguso c 1950s 60s
Made In - 'Murano' - Italy
Can anyone confirm that attribution?
I bought these for £20 at weekend – one seems rounder than the other, but I think the fitting is sunk deeper. Front lamp base (photo 1) has a very slight yellow tinge coming from base and top that does not seem like staining, what is it I have cleaned and it still remains?
I am sure this is a pair – not matched up I mean – design and label is exact for both