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 ...

vintage marigold carnival glasses with price tags - Adrienne Bresnahan/Getty Images Browsing your local secondhand shop is a great way to score unique, rare, and valuable items at unbelievably low ...

Low-cost molded or pressed glass with an iridescent finish had many names in the very early 20th century. First sold as inexpensive molded and pressed decorative wares, at a time when fine glass was ...

Carnival glass shimmers with an iridescent, irresistible glow, and while it was once a dime-store staple, it has since become collectors’ treasure. Unlike depression glass, which is delicate and ...

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 ...

Q: Enclosed is a picture of a set that belonged to my mother, and before her, to my grandmother. Inside some of the pieces is the symbol “Z1.” I was wondering if you could tell me the name of this ...