Vintage sewing pattern from the 1960's by the look of the style of the dress - there is no date on the envelope, instruction sheet or pattern pieces.  Woman's Realm L 56.  

• All pattern pieces and instructions are complete.
  
  
• Single-sized pattern, chest size 30", age 11-12 years.
  
  
• This pattern is unused and is still in factory folds.  Very good condition.