The product is a vintage McEWAN Optometrist postcard featuring Fond du Lac, Wisconsin. The postcard likely depicts a building or scene related to McEWAN Optometrist in the city of Fond du Lac. It would make a unique collectible item for those interested in topographical postcards or vintage memorabilia from Fond du Lac. The inclusion of a glasses and case may add an additional element to the postcard, potentially making it a rare and valuable piece.
