Looks to be unused, nothing ever soldered to the terminals.
The bulb is an original GE Mazda Lamp 10W 230V.
It has a nice glow and fancy filament when screwed into a 120V night light socket.
Jewel lamp is threaded on the bottom and fits a 5/8" hole.
It is threaded with a nut and can be removed and repurposed...
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