Albert Barnes' Notes on the Whole Bible - Jeremiah 32:10-11
Translate: And I wrote the particulars of the purchase in the deed ... And I took the purchase-deed, both that which was sealed containing the oiler and the conditions, and that which was open etc. There were two indentures, of which one was called the purchase-deed, and was signed by the purchaser and the witnesses. It was then sealed, not in our sense of appending a seal in place of signatures, but to close it up. The open deed was probably an exact copy, and was that intended for common use.... read more
The Pulpit Commentary - Jeremiah 32:10-14
The Authorized Version is here so far wrong, on technical terms, that it seems best to retranslate the whole passage: "And I wrote (the circumstances) in the deed, and sealed it, and took witnesses, and weighed the money in the balance. And I took the purchase deed, that which was sealed (containing the offer and the conditions), and that which was open; and I gave the purchase deed unto Baruch the son of Neriah, the son of Maaseiah (rather, Makhseiah), in the sight of Hanameel my uncle, and... read more