fire king shell soup plate

this listing is for 1 soup plate, there are 3 available fire king shell pattern as noticed by the scalloped edges (swirl pattern has flat edges) this is a rarer piece, last image is from keller & ross identification guide (prices don't adequately reflect current market); currently there are none of these soup plates listed for sale condition on each bowl is good to fair with some dullness on the bottom due to utensil marks; there are no chips or cracks on any item