236 A.2d 493 ROLAND SILVER a. v. FIRST NATIONAL BANK. No. 5678.Supreme Court of New Hampshire Hillsborough.Argued October 4, 1967. Decided December 29, 1967. 1. While a mortgagee under a power of sale mortgage is not a trustee or a fiduciary, a foreclosure sale thereunder is required to be conducted in exercise of good faith […]