The Vintage 1958 PLAID Dome Lunchbox by American Thermos Co. Midwest is a rare and sought-after collectible item. Made of durable metal and manufactured before 1970 in the United States, this lunchbox features the iconic Thermos brand logo. With its classic design and no modifications made, this lunchbox is a piece of history that holds both functional and nostalgic value for collectors of vintage lunchbox items.