Mazda/Thorn 60w "Cone" decorative lamp

I couldn't quite believe it when I spotted this lamp amongst a lot of old stock... These lamps are extremely rare, rarer even than the similar Mazda "Doorknob" lamps sold alongside them in the 1970's, of which I also have an example of in my collection. The lamp's general appearance is almost suggestive of old fluorescent post-top street lanterns of the 1950's - 1970's.