1960s simple blue shift dress with lovely cage detail cap sleeves. 
Condition - fair vintage condition looks like the underside of sleeves have been re sewn but does not detract from wear. 
Approx age 7-8, but please see measurements below.
 
(taken flat across)
Pit to Pit  - 38cm
Waist  - 40cm
Shoulder to hem  - 67cm