1940's Butterick 2524 Sleeveless Frock Pinafore Pattern Bust 38

Back buttons from neckline to hem. Ruffles emphasize the bodice lines and patch pocket. Set-in belt extends to back tie.
Size 20; Bust 38; Waist 32; Hip 41.
Pattern is unused, complete in original folds.
Unprinted, perforated pattern pieces.
Undated 1940's.