You are purchasing a real-photo postcard (RPPC). 

SUBJECT: Three men and a little kid sit on the roof of a shack. They are knocking off the old shingles and putting on new ones. You can see the stacks of new shingles on the right side. 
DATE: 1908

LOCATION: Grand Rapids, Minnesota
CAPTION: The postmark is from Grand Rapids.

CONDITION: Mild wear. No issues.

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