Excavated Roman glass, for example, makes a good showing here, part of the trade in luxury goods from the West.
Even as a child he was a collector, at first buying small things like stamps, pottery and Roman glass.
Roman glass has also been shown to contain around 1% to 2% chlorine, in contrast to later glasses.
The prices for ancient Roman glass today, as when they were first made, cover a wide range, he said.
The Christie's antiquities sale today includes a lot of Roman glass.
Except for the urns and the collection of fragile Roman glass, every object, costly or inexpensive, is given a use.
"I have never seen a finer example of first-century Roman glass."
"I can appreciate the first-century Roman glass that holds your candles," she said, gesturing to the table.
I have never seen Roman glass not spoiled by being buried.
What we heard was they were bringing gold coins and Roman glass down from 1400B.