Vintage Sewing Patterns Simplicity #6541 Jiffy Dress and Jumper
Misses Size 10 (includes measurements for Misses 10-18).

Brand: Simplicity
Year:  1966
Pattern Style: #6541
Type: Jumper and Dress
Size: Misses Size 10 (includes measurements for Misses 10-18)
(Sizes can easily be adjusted- google this topic.)
Description: Misses' One-Piece Jiffy Dress or Jumper. Sleeveless, A-line dress or jumper with slightly lowered round neckline and back zipper has optional top-stitching and optional purchased belt.

See photos for condition of envelope and pattern pieces.