This isn't an identical angle, but it's close enough to notice many changes to the roofline, not to mention the skyline behind it. Still, much of the building has survived well through many trials, including a fire in the 1890s and the major renovation in the 1970s.
But the kicker is the text of the postcard itself:
Dear EffieIt was addressed to Mrs. E. S. Brown of Kirks Ferry, Quebec and stamped at a post office in Cascades, Quebec.
[I] Was talking to Bert about Ernie & he says....