I hereby acknowledge that I have this day purchased, at public auction, all that lot of land (follow with full description), for the sum of......dollars, and have paid into the hands of......, auctioneer, the sum of...... dollars, as a deposit and in part payment of the said purchase money; and I hereby agree to pay the remaining portion of the purchase money unto ......, the vendor, on or before the ...... day of...... next, in accordance with the conditions of the sale.

Witness my hand and seal this......day of......, 19.....