Sue Cooper says to send everyone her love and has this to add:
My very first instinct says vintage. If so, definitely polished The only way I would change that feeling, would be to have it in hand. Im not familiar with anyone doing that style Course, that doesnt mean much anymore!!! SO many people doing stuff!!
But, the color of the clear looks old and the surface looks polished. For a contemporary artist, theres no excuse for the glass not being a BRIGHT crystal clear and the surface being wet minty shiny.
Its not a typical swirl pattern. But, I certainly wouldnt call it rare, either I havent done extensive studying as some of our modern-day experts seem to have!! LOL But, my feeling on the pattern would be Either a later date, when detail and precision wasnt as tight. Or, running towards the end of the cane, when some of the other parts of the pattern may have run out. Maybe, both The second choice being a result of the first.
I would be very surprised to find that its contemporary Unless, theres someone seriously channeling the vintage for fun, not money. White Latticinio just wouldnt be the right choice for that!!