Thank you to everyone who read or answered this post. What a great group of people! I have solved the problem. I realized that, since I knew I had purchased it over the phone, a record of the expenditure and the vendor would be in my credit card record. I contacted the seller Home Grown Quilts of Lewiston Idaho (I live in coastal Maryland -- gotta love the Internet!) and their records showed the fabric was Northcott's Gray Stone. I eagerly await delivery of two yards!
I will respect the Board's guidelines and withhold any comments on Hobby Lobby.