Shown in 1937 catalog, this is a Libbey Glass R-193 Salt And Pepper Shaker and Tray Set. Clear frosted crystal glass shakers on molded black plastic tray. Plastic lids came in in red, black or green.
Deco Styling
The shakers are about 1.5" triangle and 1.75" high. Horizontal indented ribs accent the shape. The plastic non-corrosive tops are a dark red and are ringed with enamel flowers.
The black plastic deco leaf shaped tray is about 3.5" by 2". It has a mold circle at the each end. There is a molded "E" and a "crosshatch" in a circle.