Overall, I agree with Doug's assessment. For the handle I'd say just test the knife very hard and see how it treats your hand. If it slips or gives you blisters then you'll know what to do with the next handle. I'm glad to see you used the stub tang/single pin design for your handle. That's a technique that most new makers seem afraid to try. Done correctly though, it is very strong, improves the balance of small knives, and shows off a nice wood handle very well.
On the ricasso mistake, you just need to learn how to turn a small mistake into a 'feature', i.e., add to it until it looks intentional.
The leather sheath looks nice. The next step on that might be to add a welt. That's simply an extra piece of leather that follows the stitch line and sits inside the fold. Without a welt, it is possible the knife edge can be forced into the threads and cut them...