Tulip lamp mid-century

Vintage glass tulip lampshades or fixtures from the 1950s or 1960s. Frosted white glass (or opaline) and textured clear glass in the center. Cylindrical or tulip shape with white fluted/pleated ends and a central ring with relief carving. Replacement glassware for table lamps, wall sconces, or retro pendants. H 18 cm. Opening diameter 5.5 cm. Base diameter 4.5 cm. Generally in good condition, with slight signs of wear. Tulip fixture / mid-century / 50s/60s.