One has a snap down flap and the other zips closed
I think it could work for a modern S-M
Brand - Time Zone
The fabric is kind of thick
*The top in the photos is available separately*
1960s Lady Marlene White Lace Long Line Bra, Size 40B, Corset Shape-wear with Garter Clips, Low Back, Deadstock with Tags, Franklin Simon, Bridal 25.5 inch waist One has a snap downDescription White long line bra with low back from the 60s made from lace, satin, and elastic panels. The bra has wires over the bust. There is boning in every vertical seam. There are 2 hook and eye options on the back. There are removeable garters attached. Details Brand Lady Marlene Content Nylon, Elastic, Lycra Spandex Size 40B Chest 15. 75" or 16. 5" across, stretches to 19. 5" Cups 9. 5" across, 8" center top to bottom Length 13. 75" down side