So I just won an auction and received my document.
The seller listed it as a document TO I.M. Singer Co in 1863, but in fact is is also singed "Accepted" and "I. M. Singer & Co" vertically over the document.
[ATTACH=CONFIG]504607[/ATTACH]
Best guess read so far...
--------------------------------------------------------
HEW Bank Jany 17/63
173 [/b](written over 162)
Misters I.M. Singer & Co NY.
Please send P.B. Goodsell Esqr
of the "Boston Traveller" Boston, Mass, the Folding
Top Family Sewing machine as a gift and charge it to
advertising account
Wayne Local
Written vertically over the document is:
Accepted
I.M. Singer & Co
It feels like the 173/162 was written at the time of "acceptance" but I have no evidence yet.