This image shows a main street scene in the village of Port Austin, Michigan, located at the tip of the ‘thumb’ portion of the lower peninsula of Michigan.
The L.L. Cook Co., Milwaukee, WI
The description states:
MICHIGAN THUMB SCENERY
Street Scene at Port Austin, Michigan
–The village is quite small, less than a thousand population even today.
This card is dated 1955, which is consistent with the autos shown parked in the image.