Nancy describes today's Sunbonnet Baby as "sturdy" and writes that she "with her hands in her pockets nonchalantly marches into high favor."
She also felt the design was "one of the most popular designs with the juvenile set."
The first Sunbonnet Baby block was presented on March 28, 1933.
The two blocks are very similar.
The pattern for today has shoes, a simpler ribbon on the bonnet, more detail on the dress and looks "older" to me.
Here is the closest example I could find of a quilt made with Sunbonnet Baby blocks similar to Nancy's.