I am trying to get information about these ashtrays that were my grandmother’s. They are a thick heavy glass and look like they have twisted ribbons on the inside. There are no markings on the bottom. What type of glass is this called?
http://www.vintagemuranoartglass.info/glass-art/latticino-ribbon/
This site will help you on your bowls !!
Is the one on the bottom an iridescent glass ??