EUREKA!

I had finally found the tiny red buttons!  It wasn't at a physical brick-and-mortar store, but at an on-line location.  Hopefully, I had ordered enough for some future blocks (if Anne decides to more necklaces).

After looking over my blocks, I had noticed that the sign at the top of Block Three had some shadowing on it (being able to see the darker fabric through the lighter fabric). 

Before

Ughhhh!  I've got to rip out the embroidery, place another layer of fabric between the background and facing fabrics, and re-embroider it again!!

After

But it does look a lot better once it's done!  Don't you agree?!

Jane <3