And from StacksBowers Baltimore auction, I picked up another note.  This one is a Keene, NH The Cheshire NB Ch. # (N)559 $5 Date Back Fr. 590 in PMG30.  You can see it here in the verification tool on PMGNotes.com:  https://www.pmgnotes.com/certlookup/2509790-003/30/

Stacks has posted on eBay (~11 Apr 2020) the Keene, NH The Citizens NB Ch. # 2299 PMG 25 Net, $10 1875 Fr. 416 Allison | New from the sheet prior to my note, so SN 2689/K296098 pp A PMG 2508047-011 in a PMG 20 with comment minor repairs.  If you had to own a sequential pair of plate A $10 1875 Fr. 416 from The Citizens NB of Keene, NH, I would let you buy mine (I'd like to buy the note from Stacks myself, but the cash dump truck keeps missing my house   Just how many sequential SN notes are there on series 1875 $10 nationals?  That would be Keene to own!