A WWI issue RAF pilots wing?

[zorgon]

Here's a pretty wing but I'm not sure if it could be considered WWI issue or later. Unfortunately, there is a bit of mothing on the melton wool backing. Characteristics include 10 beige feathers under a white lead edge, an olive green wreath, and a plain, unfilled crown.The cut of felt is typical of WWI wings but can also be seen on the post 1920 wings. The "A" in the monogram is styled with the small ornate horns which are typical of many WWI wings but also seen into the 30's in some designs. The reverse still retains some of the thin paper backing but the visible threads, to my eye, are indicative of the earliest wings of this era.
It has many characteristics of a wing illustrated in Eagles Recalled on page 59 but the cut is different and my example has a void, vs. red-filled crown.
I haven't seen enough of these wings to definitively state it is WWI issue so I defer to those on the Forum with more experience and expertise to help me date it.
Thanks,
Wayne