This image shows the Port Austin Lighthouse, located just off the northern tip of the ‘thumb’ of Michigan’s lower peninsula, where it protects ships from a dangerous reef.

From a Natural Color Transparency, The L.L. Cook Co.Milwaukee, Wis.

The description states:

Michigan Thumb Scenery

Port Austin Lighthouse, Port Austin, Michigan

–The lighthouse was constructed in 1878 and has been regularly updated since then. It is now maintained by a private restoration group, and runs off of solar power.

This card is dated 1957.