Without more information about the vases and the maker's mark, it's difficult to say what they are. I'd suggest talking with someone associated with a museum, and who has no monetary interest in the vases, to get an unbiased opinion.
Hey Talkinjip, Try the sites below. Some are stores and others are just sites with art.
You need to align the vases so they are mirror images of one another. The neck of the vases is the easiest way to determine if they are in the exact same position. Turn the vases the exact same way, there are 32 points in a full rotation. Write down ...