Four Baltimore & Ohio Railroad China Centenary Harper's Ferry Plates A set of china plates for the B&O Railroad in the Centenary pattern with the Harper's Ferry graphic. Two plates measure 9" and one is bottom stamped with the large Scammell's Lamberton Design Patented shield mark and shows minimal signs of use with only discoloration on the bottom from storage. The other plate is bottom stamped with Scammell's Lamberton Design Patented and shows moderate signs of use with heavy utensil scratches, discoloration along the edge, leftover adhesive, and stacking wear. Two plates measure that 8 1/2" are bottom stamped Annual East Liverpool High School Alumni Association Pottery Auction and show only leftover adhesive marks. No chips, cracks, or breaks.