Butterick 2920 vintage sewing pattern, dated circa 1963. 

Misses' Quick 'N Easy Skimmer Shift in 4 Lengths.

(A) Square necked shift, ankle length, slit at sides. Bow trim. (B) Shallow neck, street length. (C) Shallow necked overblouse. (D) V neck, street length, contrast trim. (E) Beach shift, 3" above knee, scooped neckline, contrast trim. 

Size  12:

Bust  32 inches / 81 cm

Waist 25 inches / 64 cm

Hip    34 inches / 87 cm

Pattern is UNPRINTED, perforated tissue and is checked complete. Envelope has some shelf wear and spotting; name handwritten on the front.

More '60s patterns here:

http://allthepreciousthings.com/collections/1960s