antiquecostume.com— acquisition inquiries from >$999Prospectus →

1970–1979

1970s Crepe Sundress

$40 – $1,500
Typical price range

Identifying Authentic 1970s Crepe Sundress

Authentic 1970s crepe sundress pieces (1970–1979) are among the most sought-after items in antique fashion. Fabric with a crinkled or granular surface texture, produced by twisted yarns or chemical treatment. Wool crepe and silk crepe are elegant dressmaking fabrics used throughout the 20th century.

When examining a potential 1970s crepe piece, the most important diagnostic features are construction method, closure type, and fabric authenticity.Casual lightweight dress designed for warm weather. Developed in the 1930s–1940s as resort and vacation wear and became a wardrobe staple by the 1950s.

Sundress Authentication Checklist

1940s: structured bodice with built-in bra; cotton or linen fabric

1950s: fitted bodice, full or circle skirt, novelty prints highly valued

1960s: shift or trapeze silhouette, op-art or floral prints

Check for original matching belt — adds 20–40% to value

Identifying Authentic Crepe

Surface should feel slightly rough and textured, not smooth

Silk crepe: heavier, more lustrous than synthetic; burns like silk

Wool crepe: matte surface, substantial drape; check for moth damage

Rayon crepe (1930s-40s): lighter weight, tends to water-spot easily

Care & Preservation

Dry clean is safest. Wool crepe can be hand-washed in cool water with care. Never wring. Press with a damp cloth and medium iron. Avoid excessive heat which can flatten the crepe texture.