Isle Royale Queen II - Port of Copper Harbor, Michigan - Vintage Postcard

On front: A photo of Isle Royale Queen II in the Port of Copper Harbor, Michigan 
On back: Isle Royale Queen II Port of Copper Harbor, Michigan Daily Round Trip to Isle Royale National Park
Mailed: Postmark on Jul 23, 1963, from Copper Harbor, Michigan, with a purple 4-cent Abraham Lincoln stamp 
Condition: Excellent 
Publisher: The Office Shops 
Color 

**Our vintage postcards may have signs of wear or production imperfections.  Bending, foxing, soft corners or tears will be noted in the description; photos are part of the descriptions. Questions welcome. Thanks for shopping!