Cuffs for Lady Grey

The original Lady Grey pattern has wide 3/4 length sleeves which I used for my first version.  I decided for this one, though, I wanted long sleeves.  Then, I decided to add some little cuffs for detail.  I added about three inches to the length of the sleeves and then added a little self-lined rectangular piece, overlapped with buttonholes.

 I topppstitched on the sleeve, and I like how the cuff appears to ever-so-slightly gather in the sleeve. 

 Here is my overall progress so far: