1930s or 40s vintage saucer plate (about 3 1/4" in diameter), Jeannette Homestead fine rib pattern. It's in very good condition without damage, a nice addition to your collection.
These depression glass doll dishes are so hard to find! This is just one little piece, but we never see them more than a couple of pieces at once. It's one of those things where you build a 'set' a little at a time.