Federal Glass Iridescent Carnival Glass Teacup, Set of 4.

They are Yorktown Iridescent Tea Cup Set with Reflective Iridescent Colors, Vintage Teacup. This set is gorgeous! They give off the most beautiful iridescent colors and would look gorgeous in any home! Condition: Great vintage condition. No cracks, chips, or discoloration. Measures: Approx. 3" diameter at top of the teacup, 4" from teacup side to end of handle, 2.5" tall