Sconces need a good cleaning. They are very attractive with blue,pink and yellow flowers. They measure 10"x5"x5". The knob on the front turns and clicks. The wires are old and of course should be replaced.
The back of the plug reads
10A
15A
125V
250V
US Pats
1.658.861-2
Others pend
The sconce itself is stamped B59.
Please look at the photos and any questions email.