In the 11 Jess & Bess letters, Jess M. Cook writes his sweetheart Bessie Frankenfield -- one of a pair of twin sisters -- living at 1428 Northampton Street in Pennsylvania, U.S.A. between November 1918 and August 1919.

Bonus! Read the blog of returning to 1428 Northampton Street with this letter 100 years after it was sent, here.