Here is McCall’s Pattern # 6771 UNCUT Misses Dress (Sailor collar option) by Lanz in sizes 8, 10 and 12. Dress is loose-fitting with dropped waist. Bodice with front & back darts is sewn to pleated skirt. Sailor collar or no collar.
The pattern and instructions are still factory folded. The envelope shows wear and creases from age and storage.