I left them a comment in their follow up email survey. I got a call five minutes later and was told it was the same item simply different label. They stated all their stock was white label.
I Have made Chicken Marsala a few times in the past using the yellow label bottles. I ordered some for delivery and received the white label bottles. Now I don't know of any difference but a commenter on the site i ordered from stated the following.
"The vintage with the yellow label and...