you should always always sign and date your quilt if you sell it or give it away.its a part of history and in 100 years from now someone is going to wish they knew who made this quilt, why ,who is was for.all the well known famous quilters today will tell you the same thing,I sold a quilt for 300.00 dollars this past christmas,a gift for a gemtlemans granddaughter and you can bet I signed it.