One more thought, you asked about appraisers.
First of all, it costs between $35 and $50 for an appraisal, so it is up to you if you want to spend the money. If you do, I would wait until you have them completed .. Oh and when you quilt them, put a label on that says who made them, when and your name as the quilter and when.
I think that these mulit generational quilts are going to become a collectible in their own right some day...
Anyway, if you get an appraisal the only advice I have is make sure they are AQS certified. You can go to the websit and they list contacts for appraisers..
Ok im done...