Hi Tim,
I would date that as being a Philips lamp made around 1910 in Eindhoven. Luxram was (and still is today) a brand name of Philips that is popular in the UK but is sometimes seen overseas.
As Chris points out, the indented brass rim to effect better retention of the vitrite insulation, and other features identify it as an early Philips cap. Also it employs the old pink cap paste which had disappeared from use by about 1930. Its a stunning specimen you have there and in superb condition so I would definitely hang on to it if it were mine!
Chris - nice Osram lamp you have there! You have it labelled as a British Osram lamp though, and I think it is in fact from Berlin. The style of lettering on the glass and the characteristic cap design, along with the German "32K" for Hefner Candles (not the same as the British CP), firmly identifies it as a lamp from German Osram. Its a very early tunsgten specimen though, the pigtailed lower support wires of thick wire were one of the earliest styles used.
