The Silver Bay, N.Y., post office in a postcard from the Detroit Publishing Company, photograph taken in 1906, showing the post office to the right of The Store, and…
… the post office staff on the steps of that post office in a real photo postcard by J.S. Wooley, 1908.
And another view by J.S. Wooley
And a snapshot, circa 1915, in which a young lady could not wait to leave the porch to read her letter.