Need Help with ID on Rockingham Glaze Pitcher

Hello Everyone - I could use some help on this Rockingham glazed pitcher. It stands 8" high and 9 1/4" from edge of spout to outside of handle. Unmarked bottom with dry ring in tan clay. Same pattern on front and back. There is considerable wear to the glaze under the spout like it's been rubbing against something else for a very long time. Does anyone recognize the manufacturer or have any clues to the age? I ran it by the folks on the American Pottery Identification on eBay and it's been suggested it might be English. Any help would be very much appreciated! TIA.
Don