Whaddup with that...I will have to get to the bottom of this!
I am going to open a glaze kiln later today...always a little scary.
POT #2...from the Cone Box Show. This piece is circa 2004 (I think). It is by Mika Negishi Laidlaw. http://www.msnu.edu/artdept/gallery/Laidlaw.html
She got her MFA at Kansas State University. I bet she studied under Yoshi Ikeda. She teaches at Minnesota State U. at Mankato. This teapot is 6 x 2.75 x 2.5" and appears to be made from cream colored stoneware...maybe B-Mix. Hmmmmmmmm.
It is slab built from pieces that have finger grooves or throwing grooves in the surface. There are very tiny stamp marks to act as joints/biscuits. These are spiral is shape. The glaze is mottled light to very dark green (almost black) and looks like it was fired in a reduction atmosphere.
I do not remember what I paid for this teapot, although I *do* know that it was under $150.oo, because that is the limit to what your piece may priced at.
***If I post incorrect information about your pots, please let me know ASAP***