This is an English diamond quilted threaded art bowl glass and saucer, imported into the United States around 1880.
The bowl and saucer is very similar to what the Boston and Sandwich Glass Company produced, being the same size and with the crimped rims. However the English version of this bowl and saucer is diamond quilted and the threading is finer, i.e. more threads per inch.
The function at the time was for use to eat crackers and milk.
The bowl is 2 ½” by 5”. The saucer is 6 ½”.
The glass is cranberry, and the glass has a diamond quilting pattern within the glass. Over the glass are machine threads that appear to me to be amber in color. The pontils are slightly indented in because that is where the diamond quilting joins. You can see the cranberry or pale ruby color at the pontils.
There are no chips, nicks or cracks. There are a few air bubbles.
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