At the owners meeting at the 2004 Nationals there was a great deal of interest in ordeing battle flags. I now have a quote from Wet and Wild Graphics:
The flag will be white polyester with the Sonata logo, plus website address printed in black either single sided or mirror image. Finished with a leading angled edge, hems, heading, rope and toggle. Flag size 3′ by 2′.
Prices vary depending on how many are ordered: