Pink & Gold Glass Lamp Chandelier Lamp Shades

Hello,

I recently acquired these beautiful glass shades from a 150+ year old home. They measure about 6 inches tall and 5 inches wide ( at top). The color is a dark pink and gold iridescent with white swirls on the outside. No identification/marking that I'm aware of.
I would love to know some history on these shades and the value.

Thank you!