These are probably calcite shades made by Steuben. There is no sign of a touch mark signature. Both shades have edge chips on their fitter, however, the shades themselves are in very good condition. The shades are approximately 4.5" in diameter and 3.5" high.
They would complement each other very well in a 2-light light fixture. The item "Two Shade Art Glass Set Probably Unsigned Steuben Calcite Leather-like Ext" is in sale since Tuesday, June 16, 2020. This item is in the category "Collectibles\Lamps, Lighting\Shades". The seller is "refbookman" and is located in Phillipsburg, Kansas.
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