Guterl died on December 31, 1953, leaving a last will and testament. Her will directed the executrix to sell Guterl's undivided one-half interest of premises known as No. 304 Harrison Avenue, Harrison, New Jersey,' and use the proceeds of sale to establish trusts for each of decedent's two nieces. She did own or have any interest in 304 Harrison Avenue either at her death or at the time her will was executed. But she did have such an interest in 317 Harrison Avenue. P applied to the court to reform the street number in the will.