Early 1900s-1930s Czech Glass Lamp Shade.

We are not sure what type of lamp this is for. The hole in the top/bottom, suggests it is for a small oil lamp, but the logo faces the opposite direction as if this is for a hanging or ceiling light. The fitter is flared to accept set-screws.

The edges around the hole are hand ground with a tool.

The globe is 4-3/4" tall x 5" diameter. The fitter is 3-1/4", but this may also fit on a 3-1/2" diameter fitter.

There are normal signs of age overall.