Collector,Hoarder,Pack-rat! Clear mercury Rules!!
Being that it looks like an "regular" HPS reflector bulb but is totally clear makes me wonder if it an engineering sample or proto-type or something .
First known case of Westinghouse Lifeguard Disease! If you can say yes to any of the following, you may have it too: Can't resist buying more even if you already have an example in your collection? Bank account/CC statement shows unnecessary spending?
Any news on this..? Only just seen it, looks interesting to say the least