386 A.2d 1264 MAURICE MALTAIS AND CECILE MALTAIS v. NATIONAL GRANGE MUTUAL INSURANCE COMPANY No. 7852Supreme Court of New Hampshire Hillsborough Decided May 9, 1978 1. Contracts — Mutual Mistake — Equitable Relief Equity affords relief when there is mutual mistake in reference to material matter covered by contract, as readily in case of compromise […]