Norman Hartnell 1950's Spadea Dress Pattern S-311 Bust 35

Dress features front neck drape and shoulder drapes in a clever design that gives the appearance of one long continuous drape woven through the dress.
Size 12; Bust 35; Waist 25; Hip 36.
Pattern is complete, unused in original folds. Pattern pieces and instructions are all in very nice condition.
Comes with original mailing envelope postmarked Nov 15, 1956.