as fate would have it , though , she would never set foot inside the marble , art deco lobby of the new structure ; would never ride one of the lifts to the 86th floor observatory , nor ever admire the sight of the streets of her great city from the 102nd floor viewing platform : lucille wendelson died of a major internal haemorrhage on 3rd may 1931 , never having left hospital , and leaving behind her newly born son as her sole heir and beneficiary , and an estate valued at a conservative estimate of 35 million dollars .