Thos. Fessenden, Executor of Henry Fessenden, deceased, vs. Aaron Karnok. -- This was an action upon a promissory note, dated July 24, 1853, whereby the defendant promised to pay to W.P. Worriner ...

A promissory note is your "I owe you" contract-think of it as your handshake with the lender, locking in your commitment to pay back the principal, plus interest, on a set schedule. The MPN?