Have you ever wondered what separates an ordinary carnival glass dish from a top seller? The world of collectible glassware is vast and varied, filled with countless beautiful pieces, each with its ...

Dear Helaine and Joe: My beautiful 93-year-old auntie gave me this bowl that was her mother’s. It is marked on the bottom with either an “N” or a “Z” in a circle. Can you provide some information on ...

If there is a single material that plays an ornamental role in almost every home in America, it is glass. We all have some, whether in artwork, bowls, drinking vessels, pitchers, statuary, vases or a ...

Now, carnival glass is a very specialized market, and sort of very eccentric and esoteric at times, but this is one of the better patterns. APPRAISER: And one of the best appreciated patterns in the ...

In the 1930s, small colorful glass dishes were given away as premiums for purchasing sacks of flour or boxes of oatmeal or detergent. Well padded in the flour, a sturdy glass cup or bowl would survive ...