It would be easier to identify the teapot if the picture was taken from the side. This website here has a very thorough Hall Teapot Identification section - once you know the name of the pattern & the official color name, then you can do a search on it's value.
http://hallchinacollectors.com/_sgg/m4m7_1.htm
Thanks to ALL who freepmailed with your helpful links and comments.
However, this thread just reminded me why I have not posted here in a long time.
According to post #39 link, Chinese Red was a color from the years 1937, 1942, 1984, and 1987. S'ok ..I'll put it on your tab .. ;)