Their provenance is hard to determine.
Im gonna get these galleries up asap and hope you can enjoy them again.
This was simply an attempt to woo post-war woman by offering less formidable underwear than that of their mothers yet keeping them within the Spirella fold.
With the post-war boom, people began to grow as they still are today and the 234 girdle was designed in 1961 to accommodate the larger hipped woman.