The jacket needed a blouse of some sort underneath, so I designed a sleeveless top with a stand-up neckband and lace ruffle at the neck. I ended up sewing the lace ruffle onto the finished neckband after the fact, as hand sewing would be so much more precise....
Fortunately I still had a very small amount of the original fabric, and even though I had had other plans for it, I decided to make entirely new sleeves. I didn't have the exact same pink trim, or pale gray satin ribbon, but I found some that was at least close colour-wise....