Early 20th century Secession style original design by original manufacturer, Woka. This is the XNT1 Josef Hoffman design, 1901 originally designed for Villa Spitzer. It is varnished brass and opaline hand blown glass. Also called Jugendstil. It has an E26 socket and is wired with a gold cord and on line three way switch for US receptacles. One owner directly purchased from Woka in 1981. It is a re-edition of the original Hoffman design. Woka has been in continuous operation and retains patents to these designs. As lighting consultants, we can supply you with the best led bulb for the fixture.