The lender who foreclosed on a 25-acre Hawaii mamaki farm on the Big Island was the highest bidder at a public foreclosure auction this month, but the commissioner who conducted the sale expects additional bids at a confirmation hearing. The assets of Mamaki Tea Inc. and Mamaki Tea Hawaii, including the farm in Wood Valley near Pahala, were auctioned on July 9 in Hilo. The lender, Southwest Capital Funding Ltd.