The newspaper clipping of the wedding announcement lists the Ives Town House as being on East 63rd Street. The later clipping announcing their move from their summer home to the townhouse lists it as being on West 63rd Street.
(at around 5 mins) As Dick and Anne are walking out of the kitchen, a moving shadow of the boom microphone is visible on the wall to the left.
(at around 37 mins) When Ann is about to turn on the radio, the boom mic shadow is visible on the wall.
When Georgie is borrowing liquor from Dick, he says it for a girl waiting in the taxi and "She loves her stimulants." Alcohol is actually a depressant.