I've managed to reunite an interesting pair of $20 Plain Backs from Salem, OH, Charter 43. Both were acquired in Baltimore from different dealers about 6 months apart. So far these are the only two PBs with Lyons | Roberts signature combinations or Fr. 650 and dated Apr. 11, 1902 just like charter 43 date backs. Other $20 PBs that I can find have Speelman | White signatures or Fr. 635 and are dated Apr 10, 1922 (note: Track and Price doesn't identify the Fr. #). The Serial numbers are 5226/V967960B (back plate 325) and 5227/V967961B (back plate 315). Both are from A plates as are all $20