Right at 4 3/4" in Diameter and finely ribbed & scalloped design that is 1 5/8" Top to Bottom. NICE FIND
and these unusual patterns are HIGHLY SOUGHT and not easy to find.   NOTE this one still has the ORIGINAL TAG on the BOTTOM with all the ID information.  RIGHT FROM AN ESTATE in CENTRAL OHIO 

Fair low Asking Price 

 I LOVE MY JOB!