That's So 70s: Long Dresses How to Identify Vintage Maxi Dresses by the Era Sammy D. Vintage 1970s Knit Tie Waist Maxi Dress Wayward Collection Pattern Roundup: 1970s Glamour Styles Threads Psychedelic VAN ALLAN 1970s Maxi Dress from London. Collectors Weekly 1970s Lonard Fashion Paris Signature floral print silk jersey maxi dress with floor length silk chiffon cape sleeves A silhouette extended through movement and lightness. Further sleeve types explored