Vintage Official GIRL SCOUT UNIFORM~sz 10 ?

Vintage Girl Scout/Brownie brown uniform dress. Label reads ‘Official Girl Scouts, New York, NY 100% Cotton’. Guessing a size 10 or so ~ please refer to below measurements. Troop #281 on left sleeve; Girl Scouts USA on front chest pocket. Very good vintage condition, missing belt. Approximate measurements lying flat: Pit to pit 15 1/2” Waist 13” Shoulder to hem 31” Thanks for visiting! Vin9~27