1970s Purple Polka Dot Halter Maxi Dress, Size Medium green There is elastic in the

There is elastic in the back at the top of the bodice to help with fit

It's single stich

I looked up the RN number on the tag and it belongs to Dor-Sal of California which seems to have made women's clothing

which operated in 1974 and 1975

Size - Labeled L but fits like a modern S/M

1970s Purple Polka Dot Halter Maxi Dress, Size Medium green There is elastic in theDescription Shiny purple polka dot 70s halter maxi dress with ruflles. It zips up the back and connects with 2 hooks and loops at the neck. There is elastic in the back at the top of the bodice to help with fit. Details Brand No labels Size Medium Chest 17" pit to pit, stretches to 18. 5" Empire Waist 14. 75" across (measurement taken approximately 14. 75" from shoulder) Hips approx 23. 25" across Length 57" Condition I don't see any flaws