Fiestaware 4 stamp factory mistake 12 inch cakeplate in light yellow

in all my serching i can not find any info on the stamping mistakes on fiestaware i read they can be factory seconds but on this cakeplate it seems to have 4 stamps on it this plate does have utensil marks as well has a semi long one that does not seem to be a crack just a scratch. i looked all over and cannot find any info on this kind of error on fiestaware i have never used it only displayed