I have a friend who has a brief NOTICE OF CONDITIONAL ACCEPTANCE he sends out:
"I conditionally-accept your demand for payment, on the condition upon presentment to me of the ORIGINAL INSTRUMENT OF INDEBTEDNESS in its ORIGINAL form."
..but im guessin' NOTICE OF MISTAKE trumps that, obviously
Printed copy · Anthology Volume 2, page 763Printed copy from The Tender For Law Anthology, Volume 2, page 763 (printed 14 June 2014). Added by this site; not part of the Facebook export.