Smocked little girls‎ / toddlers dress w embroidered birds Vintage

Smocked little girls / toddlers dress w embroidered birds Vintage pit to pit 11.5 inches shoulder to hem - 21 " but has room to be let out and lengthened pull over with 3 buttons in the back with a tie in the back it looks like it would fit maybe a 4 to 6 year old little girl. the size tag was cut out