Q&A on Collecting: Sandwich glass set made in the 1800s

Photo provided. Q: My wife and I went to an antique shop in Cape Cod this past Sunday that had a lot of Sandwich glass. Needless to say, I bought a piece. It is a small blue bowl with an under plate with ruffled edges and the glass is threaded. The bowl is 3 inches across and 2 inches deep; the under plate is 4 inches across. The color on the tag called it “electric blue.” They had a number of other different colors, but I liked this one the best. According to the information in my Sandwich Glass books, they made quite a few similar sets from 1880 to 1887. Am I correct believing a man by the name of Lutz developed the threading process? Can you tell me its value? I hope I got a bargain!

A: Boston and Sandwich Glass Company was located in Sandwich, Mass., from 1826 to 1888. They made blown three-piece molds, free-blown and pressed glass. Nicolas Lutz was a master glass blower and designer who worked at Boston and Sandwich Glass Company from 1870 to 1888. He emigrated from France to the United States around 1869. He specialized in threaded and ribbon glass and was known for his paperweights and fancy glass marbles. FYI. Check the bottom of both pieces to see if they have polished pontils, a sign they are blown glass rather than pressed glass. Similar blue glass sets are selling in the range of $125 to $175.