Even without the mark, DuMouchelle was able to confirm that it is art glass, as Kemper suspected. “If we were to put this up for auction, we would list it as something like “Continental art ...

But to the left of Mary's figure, viewers can spot a small translucent vessel — a vase whose delicate and difficult-to-produce form inspired glass designer Vittorio Zecchin in 1921.

Jessica Vincent, 43, was scouring her local Goodwill when she found a 13-inch Murano glass vase wrapped in burgundy and green brushstrokes and bought it for $3.99 'It was so unusual. It had such ...