This is the re-started now-singular front to Youngest Duckling's eventual new sweater. You'll notice the unchanged back still in the basket.
A better look. The center diamond panel is "framed basketweave" which she chose herself. Those adorable side panels are Barbara Walker's "Banana Tree" (first book, page 269) although I persist in thinking of it as "Beanstalk." It's an 18 stitch 12 row repeat:
Extreme close-up of cuteness: