Help with hammered lid please

[BriceV]

Here's a recent find that I think maybe a favorite piqua ware??? skillet Lid

 

[Doug D.]

More likely CHF, although the typical numbering scheme doesn't appear to be there. Anything under the build-up to the left of the B?

 

[BriceV]

Thanks for the help!! I found two more similar to this on eBay thank you very much.