doesn't look like it to me...
The materials certainly are, but this strikes me more like an Arts and Crafts influence, just by the styling. Same general era and overlapping with Edwardian and found in 1912 homes, but different school of design. The link below shows some typically Edwardian styles.
So, look to your other design influences in your home and what style it suggests and you'd like to accent.
Here is a link that might be useful: Edwardian Influenced fixtures
look at Rejuvenation Lighting for period appropriate fixtures