The identification of older unmarked pieces, particularly those with bottom gate marks, remains one of the most-often-asked questions in vintage cast iron cookware collecting. But there is a category of unmarked pieces that we can identify, so let's continue with those. What's interesting about unmarked pieces is they are typically on par with if not equal to the quality of their marked counterparts. Here are some unmarked pieces you're likely to see, and information on how to identify who made them and when. "NO.8" "10-5/8 INCHES"*Lids have dimples in a radial pattern for basters, size number and diameter incised on undersideCa.