An unusual pattern.
Both of these vintage examples from eBay seller
I've had a lot of questions about the pattern over the years.
And few answers.
Here's the four-block repeat
And here's the block.
It's NOT in BlockBase. I guess it should be in the category
of Miscellaneous with curves, but it's not.
It must have been a published pattern. All the photos of vintage examples
seem to be from the 1940s, '50s, maybe 1960s.
Some better pieced than others, but looking pretty much the same.
Cathy Kirk's Chain Reaction from Denyse Schmidt prints
Cathy Kirk sells pattern and templates for Chain Reaction:
And I do believe Nancy Landon might sell a pattern
for Unchained Melody at her Cactus Quilt Shop.
The templates come in three sizes.
Ivan and Lucy made a version in 1930s reproductions:
Which they call Chain Link.
Here's their Etsy shop:
But it must have been a published pattern with a name seventy years ago or so.
Someone called my attention to a vintage example that quilt dealer Julie Silber posted a few months ago. It looks to be appliqued...and round. Roundish.
UPDATE: I should have asked Merikay Waldvogel before I posted this.
It's from the Laura Wheeler/Alice Brooks syndicate. Link of Friendship
published in 1944.
And one more version: