They look like flower pot saucers to me.
Thanks,
Aaron Levinthal

Sent from my iPhone

> On Jan 5, 2015, at 5:54 PM, Stacy Kozakavich <[log in to unmask]> wrote:
> 
> Hello All,
> 
> I've found a few examples of a ceramic artifact type in the collection of a California historic house museum, and I can't figure out what they are.
> 
> The objects are circular white earthenware discs, glazed and undecorated, between 6" and 8" in diameter, with what appears to be a footring, and with a single approximately 1/2" hole in the center of each. The hole was cut before glazing. 
> 
> A picture can be viewed here: https://dl.dropboxusercontent.com/u/13574856/Ceramic_Artifact.jpg (this photo is of two of the objects stacked on top of one another).
> 
> I'd appreciate the input of anyone knows this artifact.
> 
> Thanks,
> Stacy Kozakavich
> Oakland, CA
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